The natural oceanic Calcitic Calcium available in a bottle. This Calcium replacement is second only to Liquid Aragonite. It was made by mollusks. They spend a lifetime collecting calcite to build their shells. We made it available again in liquid form. Better than any synthetic calcium supplement since it’s all natural and includes trace elements the living mollusks deposited in their shells. There is enough Calcitic Calcium in each bottle for a Tridacna clam to put on 100 grams of shell weight. Liquid Calcite is available in 16 ounce (473ml) bottles.