Calcium is the most abundant mineral found in the body. 99% of the calcium in the body is found in bone. Calcium plays a role in blood clotting, muscle contraction, nerve transmission, and cell metabolism. A diet low in calcium can lead to the condition called osteoporosis. This is characterized by the loss of bone, and can lead to loss of teeth and bone fractures.
recommendation: 1000-1300 mg for women or men
foods in: Milk and dairy products, spinach, broccoli, canned fish-such as tuna, salmon, and sardines.
A silvery, moderately hard metallic element constituting approximately 3% of the earth's crust, a basic component of bones, shells, and leaves.
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