Calcium lactate is what

For the prevention of calcium deficiency such as tetany, bone Calcium lactate,  rickets and tuberculosis, pregnancy and lactating women calcium supplement. Active calcium usually marine oyster shells as raw material, through scientific process distill out efficient food and buffered lactic acid ,  It is high in vivo activity, absorption and utilization of fast, safe, no side effects, internationally known as the A, A calcium, namely active form easily absorbed calcium (Active Absorbable Calciurn).
Calcium carbonate (caco3)
Oyster shell is the main chemical ingredient, of course, calcium carbonate is also widely found in nature to other substances (such as limestone, calcite, egg shells, etc.).