🦴 Foods Highest in Calcium — TOP 30(per 100g)
Builds and maintains bones and teeth. Also involved in nerve and muscle function. FDA Daily Value: 1300mg.
1–30 of 7,896 foods
What Calcium Does
Calcium builds and maintains bone and teeth, and a small circulating fraction is essential for muscle contraction, nerve signaling, and blood clotting. When intake is short, the body draws on bone to keep blood levels stable.
The literal top of this ranking is baking powder at 7,364mg per 100g — a leavening agent, not a food. Dried basil (2,240mg) and other dried herbs follow for the same reason drying inflates every mineral.
The real dietary hierarchy is hard cheese first (parmesan 1,184mg, cheddar 710mg per 100g), then yogurt and milk (113–199mg), then canned fish eaten with bones, tofu set with calcium sulfate, and dark leafy greens.
Daily intake reference (FDA Daily Value)
FDA Daily Value: 1,300mg per day. Adult absorption is roughly 25–30% of intake and declines with age, which is why requirements stay high even though the body recycles calcium efficiently.
Getting Enough Calcium
Vitamin D is the gate
Calcium absorption depends on vitamin D. Milk and yogurt supply calcium but very little vitamin D unless fortified, so fatty fish, UV-exposed mushrooms, or sunlight need to cover that side.
Judge cheese per serving, not per 100g
Parmesan looks unbeatable at 1,184mg per 100g, but a 1oz (28g) serving delivers about 331mg for 110 calories. Cheddar gives about 199mg for 113 calories. Both are efficient — neither is eaten by the 100g.
Non-dairy sources add up
Calcium-set tofu, canned sardines with bones, fortified plant milks, and bok choy all contribute meaningfully. Spinach is the exception: its oxalate binds calcium and makes most of it unavailable.
Frequently Asked Questions
Q. Does Greek yogurt have more calcium than regular yogurt?
A. No — less. Straining removes whey, and much of yogurt's calcium leaves with it. Greek yogurt has about 115mg per 100g against 183mg for regular low-fat yogurt, though it carries roughly twice the protein.
Q. What are the best calcium sources if I avoid dairy?
A. Tofu prepared with calcium sulfate (up to 683mg per 100g), canned fish eaten with the bones, fortified plant milks, bok choy, kale, and almonds (269mg per 100g).
Q. Why does baking powder rank first?
A. Many baking powders use calcium phosphate as an acid component, so the product is genuinely calcium-dense. It is used a teaspoon at a time as an ingredient, which is why it is irrelevant as a dietary source.
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Data source: USDA FoodData Central (Public Domain) — fdc.nal.usda.gov