Nutrition Research
Weekly summaries of peer-reviewed nutrition studies from PubMed. Summaries generated by AI — always read the original paper before acting on findings.
Whey Protein Supplementation Positively Modulates Lung Function and Pulmonary and Systemic Immune Response in Older Adults: A Randomized Controlled Clinical Trial.
This study explored whether daily whey protein supplementation could benefit older adults. It found that taking whey protein for three months improved lung function and strengthened both the immune response in the lungs and throughout the body, while also reducing inflammation. These findings suggest a potential role for whey protein in supporting respiratory and immune health as people age.
Journal of the American Nutrition Association
Reconsidering Obesity in India Through a Gut-Metabolic Lens: Mechanistic Insights and the Emerging Role of Synbiotics in Individuals with the Thin-Fat Phenotype.
This paper explores why many people in India develop a "thin-fat" body type, where they appear lean but have unhealthy internal fat and low muscle mass. It suggests that an imbalance in gut bacteria plays a key role in this condition, leading to metabolic problems. The commentary highlights that special supplements called synbiotics, which combine probiotics and prebiotics, might help improve metabolic health by supporting a healthier gut.
Advances in therapy
[Osteoporosis-a plea for consistent diagnosis and treatment-also in men : Contra paradox: high prevalence rate, low treatment rate].
Osteoporosis is a common bone-weakening disease affecting millions of people, including both women and men, and its incidence of fractures is rising, especially among older adults. This paper highlights that despite its prevalence, many individuals, particularly men, are not consistently diagnosed or treated. It advocates for better adherence to updated guidelines to ensure effective management and prevent debilitating fractures.
Innere Medizin (Heidelberg, Germany)
Impact of vitamin D supplementation on preterm births and premature rupture of membranes: a study protocol for a double-blind randomised controlled trial.
This paper outlines the plan for a future study investigating whether higher vitamin D intake during pregnancy can reduce the risk of preterm birth and premature rupture of membranes. Researchers will compare two different daily doses of vitamin D in pregnant women with low vitamin D levels. The findings from this planned trial could offer insights into preventing serious birth complications, especially in regions where vitamin D deficiency is common.
BMJ open
From the Vitamin D Paradox to Precision Nutrition: Targeted Supplementation, Assay Pitfalls, and Clinical Decision-Making.
This review explores the complex role of vitamin D, noting that while low levels are linked to many diseases, broad supplementation often doesn't show universal benefits in trials. It emphasizes that vitamin D is most crucial for those with true deficiencies, especially for bone health. The paper advocates for targeted supplementation and testing, rather than routine use, to ensure effective and safe clinical management.
Current nutrition reports
Altered autonomic balance drives the increase in cardiac output and arterial pressure during convulsive seizures in nonanesthetized sheep.
This study in sheep investigated how convulsive seizures affect the heart and blood pressure. Researchers found that seizures significantly increase blood pressure and the heart's pumping action, driven by changes in the nervous system. Notably, seizures also led to a temporary drop in blood potassium levels, which is crucial for proper heart function.
Epilepsia
Compliance with the Netherlands' vitamin D supplementation recommendation for three at-risk groups: young children, women over 50 years, and elderly.
A study in the Netherlands investigated how well specific groups, including young children, women over 50, and the elderly, followed national recommendations to take vitamin D supplements. It found that while most young children took supplements, fewer older women and elderly individuals did, suggesting significant room for improvement in these adult groups to meet health guidelines.
European journal of nutrition
Adaptive graph learning of microbial phylogeny enables accurate and interpretable microbiome-based host phenotype prediction.
Scientists have developed a new computer model that better understands how our gut microbes relate to our health. This tool considers the evolutionary family tree of microbes, which improves its ability to predict health conditions and how our bodies respond to things like dietary fiber. It also helps identify which specific microbes are most important for these predictions.
Applied and environmental microbiology
Genetic and enzymatic basis of xylooligosaccharide metabolism by .
This study explores how certain beneficial gut bacteria, called Bifidobacteria, break down specific plant fibers known as xylooligosaccharides (XOS). Researchers identified the genetic machinery that allows one particular strain of Bifidobacterium to utilize XOS, highlighting that different bacterial strains have unique abilities to process various fibers. Understanding these specific interactions can help us develop targeted dietary strategies to improve gut health.
Gut microbes
Effects of magnesium taurate-potassium citrate on blood pressure and vascular stiffness in low-risk adults with elevated blood pressure.
A study found that a supplement combining magnesium and potassium, along with lifestyle advice, helped lower blood pressure and improve artery health in adults with slightly high blood pressure. This suggests it could be a non-drug option for managing blood pressure in this group, offering a potential way to support cardiovascular well-being.
Magnesium research
Emerging Strategies for Cardio-Renal Protection Beyond RAAS Blockade: .
This paper reviews new medical approaches to protect the heart and kidneys, especially for people with chronic kidney disease and high blood pressure that's hard to control. It highlights several emerging drug classes that offer benefits beyond standard treatments. Importantly, it emphasizes that carefully managing potassium levels is crucial for some of these new therapies to be effective and safe.
Saudi medical journal
Beyond Ketosis: Dietary Therapies and the Microbiota-Gut-Brain Axis in Epilepsy.
This paper explores how different diets, including those that support healthy gut bacteria, might help manage epilepsy. It suggests that diet influences the brain through the gut, affecting inflammation and nerve activity, not just by inducing ketosis. This opens new avenues for personalized epilepsy care.
Nutrients
Milk Intake, Sun Exposure, and Caffeinated Energy Drink Consumption in Children and Adolescents: Evidence, Uncertainty, and Implications for Peak Bone Mass Accrual.
This review examines how lifestyle factors like milk intake, sun exposure, and caffeinated energy drinks affect bone development in children and teenagers. It highlights that adequate calcium, calcium-rich foods, and physical activity are crucial for strong bones. While vitamin D is essential for mineral balance, its supplementation mainly benefits those with deficiencies, and sun exposure is a key way to get it. The study also notes that direct links between energy drinks and bone health are limited.
Nutrients
Mechanisms for Mineralocorticoid-Driven Age-Related Hypertension: Potential Therapeutic Role of Mineralocorticoid Receptor Antagonists and Aldosterone Synthase Inhibitors.
This paper explores why high blood pressure often develops and becomes harder to control as people get older, focusing on a specific hormone system involving aldosterone and its receptor. It discusses how this system can become overactive with age, leading to hypertension and related health problems. The review also examines newer medications designed to target this pathway, offering potential new ways to manage high blood pressure in older adults.
Circulation research
Intermittent Fasting and Fat-Free Mass Outcomes in Middle-Aged and Older Adults: A Scoping Review.
Intermittent fasting is a popular weight-loss method, but there are concerns about its effect on muscle mass, especially in older adults who naturally lose muscle with age. A review of studies found that intermittent fasting generally helps reduce body fat and weight similar to continuous dieting, without significant differences in overall muscle mass compared to other diets over short periods. However, more long-term research is needed to fully understand its impact on muscle preservation.
Advances in nutrition (Bethesda, Md.)
Dietary and supplemental calcium intake and bone changes during antiresorptive osteoporosis treatment in older women: a longitudinal observational study.
This study looked at how calcium and protein intake affect bone health in older women taking medication for osteoporosis. It suggests that if women already get enough calcium from their diet, extra calcium supplements might not provide additional benefits. Instead, ensuring adequate protein intake appears to be more crucial for the effectiveness of osteoporosis treatments in strengthening bones.
Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
Vitamin D supplementation is associated with reduced risk of hepatobiliary malignancy in patients with primary sclerosing cholangitis.
A study investigated the link between vitamin D supplements and the risk of certain cancers in people with a rare liver disease called primary sclerosing cholangitis (PSC). Researchers found that patients with PSC who took vitamin D supplements had a significantly lower chance of developing cancers of the liver and bile ducts compared to those who did not. This suggests a potential protective role for vitamin D in this specific patient group.
Hepatology communications
Investigating the mechanisms linking vitamin D to coronary artery disease: A mediating proteomics Mendelian randomisation study.
This study explored how vitamin D might protect against coronary artery disease, a serious heart condition. Using a genetic approach, researchers found that higher vitamin D levels are linked to a lower risk of this disease. They also identified specific proteins and biological pathways that could explain how vitamin D exerts these protective effects on the heart.
Medicine
Effect of protein supplementation on cardiorespiratory fitness with aerobic training in chronic stroke: A multicenter randomized controlled trial.
This study investigated whether protein supplements could further improve heart and lung fitness in chronic stroke patients undergoing aerobic exercise. Researchers found that while exercise significantly boosted fitness for all participants, adding extra protein didn't provide a noticeable additional benefit for heart and lung function compared to a placebo. However, the protein group did show some minor improvements in overall physical performance and body fat over a longer period.
International journal of stroke : official journal of the International Stroke Society
Short-term isolated leucine supplementation was not associated with improvements in muscle mass or function in patients with head and neck cancer: A randomized, double-blind, proof-of-concept trial with an elderly non-cancer comparator cohort.
This study investigated whether taking leucine, an amino acid, could help head and neck cancer patients maintain or gain muscle. It found that while healthy older adults showed a small increase in muscle mass with leucine supplementation, cancer patients did not experience improvements in muscle mass or function. This suggests that leucine alone may not be enough to combat muscle loss in cancer.
Clinical nutrition ESPEN
Greek Yogurt Compared with Whey Protein Supplementation in Adolescent Athletes Throughout a Competitive Season.
この研究は、青年アスリートが競技シーズン中にギリシャヨーグルトとホエイプロテインのどちらを摂取するかで、骨の健康や炎症に違いが出るかを調査しました。結果として、どちらのタンパク質源も骨や炎症の指標にわずかで、性別による差が見られる程度の変化をもたらし、タンパク質源そのものよりも摂取量の方が重要である可能性を示唆しました。
The Journal of nutrition
Are changes in the urinary sodium-to-potassium ratio associated with changes in blood pressure in a healthy population with low urinary sodium-to-potassium ratios? Eight-year follow-up results from the KOBE Study.
A long-term study followed healthy Japanese adults for eight years to see if changes in their sodium-to-potassium balance, measured in urine, affected their blood pressure. Researchers found that even small increases in the sodium-to-potassium ratio over time were linked to higher blood pressure, suggesting that maintaining a good balance is important for heart health.
Hypertension research : official journal of the Japanese Society of Hypertension
Role of Potassium Ion Channels in Vascular Tone Regulation and Hypertension.
This paper explores how tiny "potassium channels" in our body play a vital role in controlling blood vessel tension and maintaining healthy blood pressure. When these channels don't function properly, it can contribute to high blood pressure (hypertension) and affect heart rhythm. Understanding these channels could lead to new ways to manage blood pressure.
Arteriosclerosis, thrombosis, and vascular biology
High protein ingestion does not affect whole-body insulin sensitivity in individuals with overweight or obesity.
A study investigated whether eating a lot of protein affects how the body uses insulin in people who are overweight or obese. It found that while high protein intake didn't change overall body-wide insulin sensitivity, it did cause some beneficial changes in insulin-related signals within muscle cells. This suggests potential cellular-level effects that don't immediately translate to whole-body improvements.
Journal of the Endocrine Society
Myco-foods and the gut microbiome: impacts of mycelial extracts, biomass, and mold-fermented foods.
このレビューは、キノコやカビなどの食用菌類が私たちの腸内環境にどのように影響するかを探っています。これらの「菌類食品」は、タンパク質や食物繊維が豊富で栄養価が高いとされています。研究の結果、これらの食品が腸内の善玉菌を増やし、腸内細菌叢に良い変化をもたらす可能性が示唆されました。
Gut microbes
Increasing plant protein sources in the diet modulates gut microbiota and tryptophan metabolism in men at cardiometabolic risk.
This study explored how swapping some animal protein for plant protein affects gut bacteria and metabolism in men at risk for heart disease. Researchers found that a diet higher in plant protein led to beneficial changes in gut microbes and how the body processes tryptophan, an amino acid, likely due to increased fiber intake from plant foods.
Gut microbes
KCNK16 Deficiency Deteriorates Body Growth and Diet-Independently Decreases Lipid Accumulation in Mice.
Mice lacking a specific potassium channel called KCNK16 showed reduced body growth and less body fat, regardless of their diet. This channel, found in the pancreas, appears to influence how the body uses energy and manages fat, suggesting a role in metabolism beyond just blood sugar control.
Comprehensive Physiology
Key determinants for lowering the risk of joint replacement in weight-bearing joints: a population-based cohort study.
This long-term study investigated factors that might reduce the need for hip or knee joint replacement surgery. Researchers found that a lower body mass index (BMI) was linked to a lower risk. Interestingly, while lower dietary calcium intake initially appeared to reduce risk, this connection became less clear when calcium supplement use was considered, suggesting a more complex relationship than a simple cause-and-effect.
Arthroplasty (London, England)
[Osteodystrophy in chronic liver disease].
This paper discusses hepatic osteodystrophy, a bone condition that can affect individuals with long-term liver disease. It highlights that this condition often leads to weakened bones and fractures, emphasizing the importance of early screening and treatments like calcium and vitamin D to help strengthen bones.
Ugeskrift for laeger
Romosozumab for cancer treatment-induced bone loss in postmenopausal women with hormone receptor-positive breast cancer: a case series.
This small study explored how a drug called Romosozumab affected bone density in postmenopausal women with hormone receptor-positive breast cancer who were experiencing bone loss due to their cancer treatment. The findings suggest that Romosozumab, when given alongside calcium and vitamin D, may help increase bone density in this specific group. However, because it was a small case series, more extensive research is needed to confirm these results.
Archives of osteoporosis
Fungal β-1,3-glucans: Cell Wall Constituents That Promote Gut Health Through Innate Immune Modulation.
Fungal β-1,3-glucans, found in the cell walls of fungi, are a type of fiber that can significantly benefit gut health. They work by interacting with our immune system and by acting as prebiotics, nourishing beneficial gut bacteria. This dual action helps maintain a healthy gut environment and may offer protection against various diseases.
Nutrients
Common Beans (Phaseolus vulgaris L.) as a Sustainable Nutritional Strategy to Mitigate Iron Deficiency Anemia.
This paper explores how common beans can be a sustainable food source to combat iron deficiency anemia, a widespread health issue. It discusses strategies like improving bean varieties and cooking methods to boost iron content and absorption. By making beans even more nutritious, they can play a vital role in improving iron intake, especially for women and children in many parts of the world.
Chemistry & biodiversity
Combination effect of nutrition and exercise intervention in patients with maintenance dialysis: A systematic review and meta-analysis.
A review of existing studies found that combining nutritional support (often supplements) with exercise improved physical abilities like walking and movement in adult hemodialysis patients. However, this combined approach did not show clear benefits for their overall dietary intake, body composition, or quality of life. The certainty of these findings was noted as very low, suggesting more research is needed.
Clinical nutrition ESPEN
Recent advances and clinical relevance of microbiome dynamics in health and disease.
Our bodies host trillions of microbes, collectively known as the microbiome, which play a vital role in our overall health, from digestion to immunity. This paper explores how these microbial communities, especially in the gut, are influenced by factors like diet and can impact various diseases. Understanding and nurturing a diverse microbiome, often through dietary choices like consuming fiber, is key to maintaining health and developing personalized medical approaches.
Gut microbes
Rethinking the Impact of Dietary Sodium and Potassium on Blood Pressure to Advance Public Health.
Public health efforts to lower blood pressure have traditionally focused on reducing sodium intake. However, this paper suggests that increasing potassium intake is equally vital and should be a core part of dietary strategies. It proposes a shift towards a combined approach, emphasizing both less sodium and more potassium for better cardiovascular health.
The American journal of clinical nutrition
Prevalence and Seasonal Variation in Serum 25-Hydroxyvitamin D Concentrations Among Women of Reproductive Age.
A study in China found that most women of reproductive age had very low vitamin D levels, with over 90% being deficient. Vitamin D levels were higher in older women (35 and above) and varied significantly with the seasons, peaking in summer and dropping in spring. This highlights a widespread need for better vitamin D strategies for women planning pregnancy.
Clinical laboratory
Effect of combined probiotic and iron-folic acid supplementation on iron status and gut inflammation markers: a randomized controlled trial among anaemic children.
This study investigated whether adding probiotics to standard iron and folic acid supplements would further improve iron levels or gut health in anemic children. Researchers found that while both groups improved significantly, the probiotics did not offer any additional benefits compared to iron and folic acid alone. This suggests that for these children, probiotics did not enhance iron treatment outcomes or gut health markers.
European journal of clinical nutrition
Association between dietary polyphenol intake and polyphenol-utilizing bacteria in healthy adults.
This study explored how the polyphenols we eat interact with the bacteria in our gut. Researchers found that consuming various polyphenols can influence which gut bacteria are present and how well they can break down these beneficial plant compounds. It suggests that our diet directly impacts the gut's ability to process polyphenols, potentially affecting our health.
Food & function
Maternal awareness and practices regarding vitamin D and their impact on health outcomes in children under five years in Egypt.
This study from Egypt explored how mothers' knowledge and actions regarding vitamin D affect their young children's health. It found that while many mothers understood the importance of vitamin D, their actual practices were often inconsistent. Crucially, better maternal practices were linked to improved growth in their children, highlighting the impact of consistent care.
Scientific reports
Effect of Body Mass Index on the Efficacy and Safety of Esaxerenone Versus Trichlormethiazide for the Treatment of Japanese Patients with Uncontrolled Essential Hypertension: A Subanalysis of the Excite-HT Study.
This study compared two blood pressure medications in Japanese adults with high blood pressure, considering their body mass index (BMI). It found that both drugs effectively lowered blood pressure, but they had different effects on blood potassium levels. One drug tended to slightly increase potassium, while the other tended to decrease it, regardless of BMI.
Journal of clinical hypertension (Greenwich, Conn.)
Acceptability and impact on health-related markers of a sustainable dietary pattern: results from a pilot randomized controlled cross-over study.
This pilot study explored how a sustainable, plant-based diet impacts health. Participants significantly increased their fiber intake and showed improvements in markers related to blood sugar regulation, such as fasting insulin. While generally acceptable, the diet required more perceived effort, particularly in preparing plant-based protein sources like legumes.
European journal of nutrition
Vitamin D attenuates Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) and downregulates hepatic gluconeogenesis in obesity.
A study in obese rats found that vitamin D supplementation improved a condition called Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), often known as fatty liver disease. It helped reduce fat accumulation in the liver and improved the body's ability to manage blood sugar, suggesting a potential role for vitamin D in addressing these obesity-related health issues.
The Journal of nutritional biochemistry
Efficacy and Safety of Baxdrostat for Hypertension: A Systematic Review and Meta-Analysis of Three Phase 2/3 Randomized Controlled Trials.
This research reviewed studies on a new drug, Baxdrostat, for treating high blood pressure that hasn't responded to other treatments. It found the drug effectively lowers blood pressure but also significantly increases the risk of high potassium levels in the blood. Careful monitoring of potassium is essential for patients taking this medication.
Clinical cardiology
Impaired bone status in high frequency episodic or chronic migraine women: A case-control study with blood and densitometric parameters.
この研究は、頻繁に片頭痛を経験する女性が、そうでない女性に比べて骨の健康状態が悪い可能性があることを示唆しています。研究者たちは、片頭痛のある女性において、カルシウムとビタミンDのレベルが低く、骨密度や骨の構造も弱いことを発見しました。これは、頻繁な片頭痛と骨の健康の間に潜在的な関連があることを示唆しています。
Cephalalgia : an international journal of headache
Primary aldosteronism.
Primary aldosteronism (PA) is a medical condition where the adrenal glands produce too much of the hormone aldosterone, leading to high blood pressure. This excess aldosterone can also disrupt the body's potassium balance. Treatment for PA aims to normalize blood pressure and potassium levels, often involving medication and dietary adjustments like reducing sodium intake.
Nature reviews. Disease primers
Polyphenols from Pulses: Recent Advances in Gut Health Benefits and Strategies to Elevate Their Concentrations.
This review highlights that pulses, like beans and lentils, are rich in beneficial plant compounds called polyphenols. These polyphenols interact with our gut bacteria and can help maintain a healthy gut by reducing inflammation and acting as antioxidants. The study also explores methods to increase these beneficial compounds in pulses, potentially leading to new functional foods that support digestive well-being.
Nutrients
Pathophysiological Mechanisms and Clinical Controversies of Sodium-Induced Hypertension: A Multi-Systemic Perspective.
High blood pressure is a major global health concern, and while sodium intake is often linked to it, this review highlights that the relationship is complex and varies among individuals. It explores how sodium affects blood pressure through multiple body systems and emphasizes the critical role of the dietary balance between sodium and potassium in managing this condition.
Nutrients
Plant Foods as Healthy Sources of Dietary Fibre, Microbiota Modulation and Bioactive Compounds: Beyond Definitions-A Review.
This review highlights that plant-based foods are excellent sources of dietary fiber and other beneficial compounds. These components work together to support a healthy gut microbiome, which is crucial for overall human health. The paper emphasizes the importance of understanding how these elements interact to maximize their health benefits.
Nutrients
Effect of School-Based Physical Activity and Multi Micronutrient Supplementation on Micronutrient Concentrations Among Tanzanian Schoolchildren: Secondary Outcomes from the KaziAfya Cluster-Randomized Controlled Trial.
This study investigated whether school-based physical activity and multi-micronutrient supplements could improve nutrient levels in Tanzanian schoolchildren. While physical activity showed some benefits for zinc, the findings for vitamin D were very limited and inconclusive due to a small sample size. Therefore, this study cannot definitively conclude the impact of these interventions on vitamin D status.
Nutrients
Multi-Axis Functional Mechanisms of the Milpa Diet in Obesity: A Scoping Review.
The traditional Milpa Diet, a plant-based eating pattern from Mesoamerica centered on corn, beans, and squash, has been reviewed for its potential role in combating obesity. This diet is rich in fiber and beneficial plant compounds that may help reduce inflammation, improve gut health, and regulate fat metabolism, offering a multi-faceted approach to metabolic well-being.
Nutrients
Elimination Diets, Not Food Selectivity, Are Associated with Reduced Nutritional Status in Children with Autism Spectrum Disorder.
This study examined the nutritional health of children with autism spectrum disorder (ASD). It found that children with ASD often have very low vitamin D levels if they don't take supplements. The research also suggested that restrictive "elimination diets," often used without medical advice, were linked to lower body weight in these children, more so than just being a picky eater.
Nutrients
Prevalence, predictors, and clinical impact of vitamin D deficiency on 12-month outcomes in hip fracture patients.
This study found that over half of hip fracture patients had vitamin D deficiency. While initial findings suggested a link between vitamin D deficiency and higher mortality, this connection was largely explained by other existing health problems. The research emphasizes the importance of recognizing and addressing vitamin D deficiency in these vulnerable patients.
Journal of endocrinological investigation
Neuraminidase1 Activity Contributes to Vasopressin Receptor-mediated Augmentation of Water and Electrolyte Retention by the Kidney in Haploinsufficient Mice.
This study in mice explores how a specific enzyme, neuraminidase-1, affects the kidneys' ability to retain water and electrolytes, particularly in a genetic condition similar to Williams syndrome. Researchers found that this enzyme plays a role in how the kidneys respond to a hormone called vasopressin, influencing how much water and salt are kept in the body. Understanding this mechanism could offer new insights into kidney dysfunction and high blood pressure.
bioRxiv : the preprint server for biology
Denosumab increased bone mineral density but caused marked serum calcium fluctuations in a patient undergoing peritoneal dialysis.
A medication called denosumab can strengthen bones in people with advanced kidney disease who are on peritoneal dialysis. However, this study shows that it can also lead to significant and rapid changes in blood calcium levels, both too low and too high. This highlights the need for very close monitoring and careful management of calcium for these patients.
CEN case reports
Association of handgrip strength with the plasma metabolomic profile: secondary analysis of a protein intervention study.
A study in older adults found that the type of protein consumed (plant vs. dairy) didn't significantly alter their blood metabolite profiles. However, certain blood markers, including amino acids like leucine, were associated with better handgrip strength and improvements in muscle function over time. This suggests that an individual's metabolic state might play a role in muscle health.
Metabolomics : Official journal of the Metabolomic Society
Ironing Out Possible Micronutrient Deficiencies Associated with Incretin Receptor Agonist-Based Therapies: Proposed Practical Strategies to Prevent and Manage Iron Deficiency.
Medications known as incretin receptor agonists, used for managing type 2 diabetes and obesity, are becoming more common. This paper discusses emerging evidence suggesting a potential link between these drugs and iron deficiency. It explores possible reasons for this connection and proposes practical strategies for healthcare providers to help prevent and manage iron deficiency in patients using these treatments.
Nutrients
Vitamin A: Biological Functions and Implications for Muscle Health.
This scientific review explores the lesser-known roles of vitamin A in supporting muscle health. Beyond its traditional functions in vision and immunity, vitamin A appears to be important for muscle growth, repair, and protection against damage. Understanding these new insights could lead to better ways to address muscle-related conditions.
Nutrition reviews
Vitamin C Conditioning Generates Tumor-Targeting CAR T Cells with Superior Cytotoxicity and Fitness in a Posttransplant Lymphoproliferative Disorder Tumor Model.
This study explores how treating specialized immune cells, called CAR T-cells, with vitamin C can enhance their ability to fight cancer. Researchers found that vitamin C improved these cells' capacity to target and destroy cancer cells in lab models of a specific post-transplant cancer. This suggests vitamin C could potentially make this advanced immunotherapy more effective.
Molecular cancer therapeutics
Muscle Recovery and Myofibrillar Protein Synthesis after Damaging Exercise with Recombinant Bovine β-Lactoglobulin, Dairy-Derived Whey or Carbohydrate Supplementation in Young Healthy Adults.
This study investigated whether a new lab-made protein (rBLG) or traditional whey protein could improve muscle recovery after strenuous exercise, compared to carbohydrates. Researchers found that for young adults already consuming a typical amount of protein, adding extra protein supplements did not further enhance muscle repair or protein building. This suggests that additional protein supplements might not offer significant benefits for recovery if dietary protein intake is already adequate.
The Journal of nutrition
Independent effects of whey protein and alkali supplementation on muscle health in healthy older adults: factorial randomized controlled trial.
This study investigated whether adding whey protein or an alkali supplement could improve muscle strength and mass in healthy older adults. Despite increasing a growth-related hormone, the supplements did not show significant benefits for muscle power, physical performance, or overall muscle mass over 24 weeks in participants already meeting daily protein recommendations.
The American journal of clinical nutrition
Optimising blood pressure control after stroke: established wisdom and new frontiers.
高血圧は脳卒中を経験した方にとって主要なリスク因子ですが、多くの人が血圧を適切に管理できていません。この論文は、新しい薬物療法、医療連携の強化、生活習慣の調整など、血圧管理を改善するための様々な戦略を検討しています。特に、カリウムを豊富に含む減塩塩の使用が、脳卒中後の血圧管理を助ける食生活の変更として有効である可能性を示唆しています。
The Lancet. Neurology
engineered selenium nanoparticles enable multifunctional PLA mixed matrix membranes with potential for hemodialysis.
This study explored new materials for hemodialysis membranes, which are used in kidney dialysis. Researchers created special membranes using a biodegradable plastic and tiny selenium particles, which were made with vitamin C. These new membranes showed improved performance in filtering waste, resisting contamination, and being compatible with blood, suggesting a promising step for future kidney dialysis treatments.
Journal of materials chemistry. B
Iron Deficiency in Vegetarian Athletes: A Narrative Review.
This review explored whether vegetarian athletes are more prone to iron deficiency. It found that while plant-based iron is less readily absorbed, vegetarian athletes often consume sufficient iron, and their bodies can adapt. Therefore, they are not necessarily at greater risk, but careful dietary planning is still important, especially for high-performance individuals.
Current nutrition reports
Shining Light on Dysautonomia: The Role of Vitamin D in Cardiac Autonomic Regulation.
This review explores how vitamin D influences the heart's autonomic nervous system, which controls vital functions like heart rate. It highlights growing evidence suggesting that adequate vitamin D levels are important for maintaining healthy heart rhythm and function. People with vitamin D deficiency often show signs of impaired heart autonomic regulation, and some studies indicate that vitamin D supplements could improve this balance.
Current nutrition reports
Effect of population-approach programs promoting salt reduction and potassium intake in Japan: the Population-based Sodium/Potassium Improvement Program (PoSPIP).
A study in Japan found that health programs actively promoting both salt reduction and increased potassium intake were more effective than standard health advice. These intensive programs helped improve the balance of sodium and potassium in the body, suggesting a combined approach is beneficial for public health.
Hypertension research : official journal of the Japanese Society of Hypertension
Calcium, vitamin D, or combined supplementation to prevent fractures and falls: systematic review and meta-analysis.
A large review of many studies found that taking calcium, vitamin D, or both as supplements generally does not prevent fractures or falls in most adults. These supplements showed little to no significant benefit for individuals not at high risk of these events. This suggests that for many, supplements may not be necessary for bone health and fall prevention.
BMJ (Clinical research ed.)
[Diagnosis and management of diabetes and co-existing osteoporosis (Update 2026)].
This paper discusses how diabetes can increase the risk of bone fractures and provides updated guidance for managing both conditions together. It emphasizes that people with diabetes who are at risk of fractures should receive similar bone health treatment as others, including ensuring adequate calcium and vitamin D intake, ideally through diet.
Wiener klinische Wochenschrift
The association between 10-year cardiovascular risk and fracture incidence in postmenopausal women: a prospective analysis from the Women's Health Initiative.
This study explored the connection between a woman's risk of heart disease and her likelihood of experiencing bone fractures after menopause. Researchers found that postmenopausal women with a higher predicted risk of heart disease also had an increased risk of major bone fractures, including hip fractures. This suggests that factors contributing to heart health might also play a role in bone strength.
Lancet regional health. Americas
Interindividual Variation in Adult Gut Microbiome Composition in Two Rural Communities in Japan: Associations With Energy and Nutrient Intakes.
This study investigated how the traditional Japanese diet influences the gut microbiome in rural communities. Researchers found that consuming foods rich in fiber, omega-3s, and vitamin D, like seafood, rice, and vegetables, was linked to a more diverse and potentially healthier gut bacteria profile. Conversely, higher intake of alcohol and fat was associated with less gut diversity.
American journal of human biology : the official journal of the Human Biology Council
Effect of prebiotic intervention on glycemic control and gut microbiome profile in Indian children with type 1 diabetes mellitus (T1DM): a pilot randomised control trial.
This pilot study investigated how a prebiotic supplement affected gut bacteria and blood sugar in Indian children with type 1 diabetes. While it didn't immediately improve blood sugar control, the prebiotics successfully increased beneficial gut bacteria known to produce compounds important for health. This suggests potential long-term benefits for these children.
Endocrine
The gut-bone axis: microbial metabolism and nutritional interventions for bone health.
This scientific review explores the fascinating connection between our gut bacteria and bone health, often called the "gut-bone axis." It highlights how the tiny microbes in our digestive system can influence bone strength and how certain dietary choices, including those rich in fiber, might help protect against bone loss as we age.
Gut microbes
The Co-occurrence of Iron and vitamin D deficiency in the middle east: A regional review with a focus on Saudi Arabia as a case study for integrated public health strategies.
A review of studies in the Middle East, especially Saudi Arabia, shows that many people suffer from both iron and vitamin D deficiencies at the same time. These combined deficiencies can lead to more severe health problems, highlighting the need for public health strategies that address both issues together rather than separately.
The Journal of steroid biochemistry and molecular biology
Leveraging Dietary Interventions to Benefit Patients with Hematologic Malignancies and Clonal Hematopoiesis.
This review explores how diet can support patients with blood cancers and related conditions. It highlights that what we eat can influence inflammation, gut health, and metabolism, which are all relevant to these diseases. Specific dietary approaches, such as anti-inflammatory or high-fiber diets, are being investigated as potential ways to improve patient outcomes and complement existing treatments.
Nutrients
Update on Vitamin D Status and Seasonal Variation in a Non-Supplemented Population Living in a High Polluted Urban Area-A Cross-Sectional Study.
This study looked at vitamin D levels in healthy adults living in a polluted city in Northern Italy who were not taking vitamin D supplements. Researchers found that most participants had sufficient vitamin D, and levels were generally better than previously thought for the region. However, being overweight or obese was linked to lower vitamin D levels, highlighting the importance of healthy weight management for vitamin D status.
Nutrients
Context-Dependent Association Between Serum 25-Hydroxyvitamin D and Romosozumab Bone Mineral Density Response: A Stratified Analysis by Renal Function Category and Prior Treatment History in a Real-World Japanese Cohort.
This study explored how vitamin D levels might affect the effectiveness of romosozumab, an osteoporosis drug, in Japanese patients. It found that the impact of vitamin D on bone density improvements could vary depending on a person's kidney function and whether they had previously used other bone treatments. This suggests a personalized approach to vitamin D might be beneficial for some patients.
Nutrients
Treatment of Hypovitaminosis D Is Associated with Improvement in Anemia of Inflammation in Patients with Decompensated Cirrhosis.
This study explored whether treating low vitamin D levels could help patients with severe liver disease who also suffer from anemia and inflammation. Researchers found that supplementing vitamin D, alongside other nutrients, led to improvements in their anemia and a reduction in inflammatory markers over three months. This suggests vitamin D might play a role in managing these complications in such patients.
Medical sciences (Basel, Switzerland)
Associations between urinary arsenic and vitamin D deficiency: a cross-sectional analysis of NHANES 2011-2018.
A study looked at the connection between arsenic exposure and vitamin D levels in US adults. It found that people with higher levels of arsenic in their urine were more likely to have a vitamin D deficiency. This suggests a potential link, but more research is needed to understand if one causes the other.
Journal of health, population, and nutrition
The Role of Vitamin D in Neuropathic Pain: Biological Mechanisms and Clinical Relevance.
この論文は、複雑な慢性痛の一種である神経因性疼痛にビタミンDがどのように影響するかを探っています。ビタミンDは骨の健康だけでなく、神経系や免疫反応にも作用し、痛みの感じ方に影響を与える可能性があると示唆されています。ビタミンDレベルが低いと痛みが悪化するという観察研究や、サプリメントが症状を和らげる可能性を示す研究もありますが、その役割を完全に理解するにはさらなる研究が必要です。
International journal of molecular sciences
Best Practice Recommendations for the Assessment, Prevention and Treatment of Vitamin D Deficiency in Türkiye: A 2026 Update in a Setting with Limited Mandatory Food Fortification.
A group of medical experts in Türkiye developed updated guidelines for managing vitamin D deficiency, a common health issue in the country. These recommendations aim to standardize how vitamin D levels are assessed, who should be tested, and how deficiency should be prevented and treated. The guidelines provide clear thresholds for deficiency and suggest targeted approaches rather than widespread screening.
Nutrients
Early Biomarkers, Risk Factors, and Functional Indicators of Healthy Longevity and Their Relationship with Diet.
This comprehensive review explored how diet and specific nutrients contribute to maintaining health and function as we age. It found that a high-quality diet, rich in plant-based foods and key nutrients like magnesium, is consistently linked to better heart health, brain function, and physical abilities, helping to prevent age-related decline. The study suggests that eating well from an early age can support a longer, healthier life.
Nutrients
Nutritional Interventions Targeting the Gut Microbiome in MASLD: From Prebiotics and Probiotics to Postbiotics and Fecal Microbiota Transplantation.
This review examines how various nutritional strategies, including dietary changes and supplements like prebiotics and probiotics, might influence gut bacteria to help manage metabolic dysfunction-associated steatotic liver disease (MASLD). While a balanced, healthy diet remains the most effective approach, current evidence suggests that specific gut microbiome-targeting interventions haven't yet definitively proven to significantly improve liver health outcomes in MASLD. More robust research is still needed to confirm their benefits.
Nutrients
Vitamin D Deficiency as a Context-Dependent Modifier of Osteonecrosis of the Jaw.
This review suggests that not having enough vitamin D might make some people more vulnerable to a serious jaw bone condition called osteonecrosis of the jaw (ONJ). It acts as a contributing factor, especially when other health issues are present, rather than being the sole cause. Maintaining adequate vitamin D levels could potentially support jaw health.
Nutrients
Diagnosis and Management of Resistant Hypertension: A Review.
This paper reviews resistant hypertension, a type of high blood pressure that remains elevated despite treatment with multiple medications. It outlines how to diagnose this condition and discusses various management strategies, including lifestyle changes and specific medications. One key medication mentioned, spironolactone, can be effective but requires careful monitoring of potassium levels in the blood.
JAMA
Vitamin C Supplementation in Hospitalized Patients With Community-Acquired Pneumonia: Protocol for a Randomized Controlled Trial.
This paper describes a planned study (VitCAP trial) investigating whether high-dose oral vitamin C can help adults hospitalized with community-acquired pneumonia (CAP) recover faster. The trial aims to clarify previous mixed results and explore vitamin C as a safe, inexpensive additional treatment to improve patient outcomes.
JMIR research protocols
Sustaining Muscle, Cardiovascular Health, and the Environment: Is Plant-Based Protein the Key?
This review explores how plant-based proteins compare to animal proteins for building muscle, supporting heart health, and benefiting the environment. It suggests that while animal proteins might offer a slight edge for muscle building in older adults, plant proteins can be equally effective if consumed strategically. Importantly, plant-based diets generally offer better cardiovascular benefits and are more environmentally friendly.
Nutrients
Enhancing Iron Bioavailability with Sprinkle Food Containing Steam-Blasted and Enzymatically Hydrolyzed Soybean: A Randomized Controlled Trial in Adolescent Girls.
This study explored whether a special sprinkle food, made with processed soybeans, could help adolescent girls absorb more iron. Researchers found that girls who started with low iron levels and ate the soy-enhanced sprinkle showed improved iron stores. This suggests that specially prepared soy might be a useful ingredient to boost iron absorption, especially for those who need it most.
Journal of the American Nutrition Association
Prevalence and trends of vitamin D deficiency among patients undergoing testing at the Maternity and Children Hospital, Dammam, Eastern Province of Saudi Arabia (2023-2025).
A study in a Saudi Arabian hospital found that nearly half of tested patients had vitamin D deficiency, and another quarter had insufficient levels, despite abundant sunlight in the region. While women showed slightly higher rates of deficiency, there was a small improvement in overall vitamin D levels over the study period. These findings highlight the ongoing need for public health efforts to address vitamin D status.
Frontiers in public health
Multisystem pathology in chronic variable stress: gut-liver-brain axis disruption and the therapeutic promise of magnesium-L-theanine.
This paper explores how long-term, unpredictable stress can harm various body systems, including the gut, liver, and brain. It highlights that a specific combination of magnesium and L-theanine, a compound found in green tea, shows potential in laboratory studies to protect against these widespread negative effects of chronic stress. This suggests a possible role for this combination in supporting overall health under stressful conditions.
Therapeutic advances in endocrinology and metabolism
Bone mineral density and bone turnover in adolescent girls with anorexia nervosa: a 3-year retrospective cohort study.
思春期の摂食障害（拒食症）の女子は、特に病気の初期に著しい骨量減少を経験します。この研究は、骨の回復が体重増加だけでなく、正常なホルモンバランスの回復にも依存し、骨の改善には時間がかかることを示唆しています。ホルモン療法とカルシウムおよびビタミンDの補給を組み合わせることで、骨密度に良い影響が見られました。
Frontiers in endocrinology
Multimodal integration of neuroimaging, transcriptomics and single-cell analysis reveals molecular correlates linking osteoporosis to brain abnormalities.
This research explored the complex relationship between osteoporosis, a condition causing weak bones, and brain health, including cognitive function. Using advanced techniques, scientists identified specific brain changes and molecular pathways that appear to connect bone loss with alterations in brain activity. The findings suggest that certain brain cells and signaling processes might play a key role in both bone and brain health.
Frontiers in immunology
The association between thiamine use and mortality in critically ill patients with sepsis-associated acute respiratory failure: A retrospective analysis of the MIMIC-IV database.
A study investigated how vitamin B1 (thiamine) use affects critically ill patients suffering from severe lung problems caused by sepsis. It found that patients who received thiamine had a lower risk of dying in the hospital and intensive care unit, particularly those aged 65 and older. This suggests vitamin B1 might be a helpful additional treatment for these very sick patients.
Respiratory medicine
Linking the relationship between drug-induced osteoporosis and the gut microbiota.
Some medications can lead to osteoporosis, a condition where bones become weak and brittle. This review explores how certain drugs might contribute to this by altering the balance of bacteria in our gut. These changes in gut bacteria could potentially play a role in the development or worsening of bone weakness, highlighting a complex link between medication, gut health, and bone strength.
Frontiers in endocrinology
Rethinking ethanol consumption and colorectal carcinogenesis: an insight from diet and gut microbiota.
Alcohol consumption is a significant risk factor for colorectal cancer. This paper explores how alcohol might increase this risk by affecting our diet and the bacteria living in our gut. It suggests that the complex interplay between what we eat, our gut microbes, and our body plays a crucial role in how alcohol contributes to colon cancer development.
Frontiers in cellular and infection microbiology
Evaluation of inflammatory and cardiovascular-related indices as potential markers for postmenopausal osteoporosis-a retrospective study.
This study investigated whether certain blood markers, often linked to inflammation and heart disease, could help identify postmenopausal women with osteoporosis. Researchers found that while one marker showed a statistical difference, none of the tested markers were strong enough to reliably diagnose osteoporosis on their own. This suggests that current diagnostic methods, such as bone density scans, remain essential for assessing bone health.
PeerJ
Molecular studies on the impact of microbiome on anticancer drug resistance.
Our gut bacteria, collectively known as the microbiome, play a surprising role in how well cancer treatments work. This research explores how these microbes can make cancer cells resistant to drugs, including chemotherapy and immunotherapy. By understanding this complex interaction, scientists hope to develop new strategies, like dietary changes, to improve cancer treatment outcomes.
Frontiers in immunology
Serum vitamin D levels in non-obese women with polycystic ovary syndrome: a systematic review and meta-analysis.
A new study reviewed existing research on vitamin D levels in women with polycystic ovary syndrome (PCOS) who are not obese. It found no significant difference in vitamin D levels between these women and healthy individuals. This suggests that vitamin D deficiency often linked to PCOS might be more closely related to obesity itself, rather than the syndrome's underlying mechanisms.
Frontiers in endocrinology
Case Report: Unusual electrolyte changes in primary hyperparathyroidism-a call to suspect underlying Gitelman syndrome.
This report describes a 74-year-old woman with an overactive parathyroid gland, a condition usually causing high blood calcium. However, she also presented with unusual low levels of potassium and magnesium, and surprisingly low calcium in her urine. These complex findings, along with vitamin D deficiency, led doctors to suspect an additional underlying kidney disorder called Gitelman syndrome, even after treating the parathyroid issue.
Frontiers in endocrinology
Agreement analysis and inter-method agreement of quantitative ultrasound readings, and comparison with clinical risk factors: A bimodal approach to osteoporosis screening in the community of Terengganu.
This study explored a practical way to screen for osteoporosis in Malaysian communities, especially where advanced scans are scarce. It found that combining ultrasound with a risk assessment tool can effectively identify people at high risk, highlighting concerns about low calcium and vitamin D intake in the region.
Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry
The Plastic Within: Micro- and Nanoplastics in Human Tissues and the Nutritional Context for Exposure Mitigation.
Tiny plastic particles are increasingly found in human tissues, raising concerns about their potential health effects. This review explored the current understanding of these plastics in the body and how nutrition might play a supportive role. While not a proven "detox," a diet rich in fiber could help support the body's natural defenses against environmental contaminants.
Nutrition and metabolic insights
The impact of pectin supplementation on systemic inflammation pathways, gut microbiome, and metabolic health in patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): A study protocol for a randomised controlled trial.
This study will investigate whether adding pectin, a type of dietary fiber, can improve liver health, reduce inflammation, and positively change gut bacteria in people with a common liver condition called MASLD. Researchers will give pectin supplements to participants and monitor various health markers to understand its potential benefits. The findings could help develop new dietary strategies for managing this liver disease.
PloS one
Acid-Responsive Nanocarriers for Site-Specific Osteoclast Inhibition and Osteoporosis Therapy: A Review.
This paper explores new ways to treat osteoporosis, a condition where bones become weak. Current treatments can have side effects because they affect the whole body, not just the problem areas. Researchers are looking into "smart" drug delivery systems that activate only where bone is being broken down, using the natural acidic environment created by bone-resorbing cells. This could lead to safer and more effective therapies.
International journal of nanomedicine
Papers are fetched weekly from PubMed (NCBI). AI summaries are for informational purposes only and do not constitute medical advice.