What Kinds of Calcium Supplements Are Available?
Calcium is present in many multivitamin/mineral supplements, calcium supplements, and supplements containing calcium and other nutrients like vitamin D. The main forms of calcium in dietary supplements are calcium carbonate and calcium citrate. Calcium carbonate is best absorbed with food. Some over-the-counter antacids, such as Tums and Rolaids, also contain calcium carbonate. Calcium citrate is…