Calcium

mineral Unit: mg

Calcium is the most abundant mineral in the body, with about 99% stored in bones and teeth. Beyond structural support, calcium is essential for muscle contraction, nerve transmission, and blood clotting. The RDA ranges from 1,000 mg per day for most adults to 1,200 mg for women over 50 and men over 70. Dairy products, fortified plant milks, and leafy greens are leading sources.

Reference Daily Intake · per 100g

USDA/NIH DRI · National Academies

Top 20 Foods by Calcium

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Reference Daily Intake

1000 mg

= 100% RDA
#Foodper 100g% RDA
1Straight Phosphate Baking Powder7364.0 mg
736%
2Double-Acting Baking Powder5876.0 mg
588%
3Low-Sodium Baking Powder4332.0 mg
433%
4Unsweetened Rennet Tablets3733.0 mg
373%
5Dried Basil2240.0 mg
224%
6Dried-Frozen Tofu (Koyadofu)2134.0 mg
213%
7Ground Savory2132.0 mg
213%
8Dried Acid Whey2054.0 mg
205%
9Dried Marjoram1990.0 mg
199%
10Dried Thyme1890.0 mg
189%
11Dried Dill Weed1784.0 mg
178%
12Celery Seed1767.0 mg
177%
13Ground Sage1652.0 mg
165%
14Dried Sisymbrium Seeds1633.0 mg
163%
15Dried Smelt1600.0 mg
160%
16Dried Oregano1597.0 mg
160%
17Dill Seed1516.0 mg
152%
18American Cheese Singles1498.0 mg
150%
19Mars Snickers Marathon Double Chocolate Nut Bar1495.0 mg
150%
20Dried Spearmint1488.0 mg
149%