Dicalcium phosphate (DCP), also known as calcium hydrogen phosphate, is a mineral and member of the calcium phosphate family. Calcium phosphates are salts derived from phosphoric acid. They look like a white powder and have no smell.

You can use DCP as a dietary supplement, an antacid and even a treatment for hypercalcemia, a calcium deficiency in the blood.

DCP has two chemical formulas: Dicalcium Phosphate-Anhydrous (free from water) and Dicalcium Phosphate-Dihydrate (which contains two water molecules). Despite their slight chemical differences, they have similar functions. You can use both as over-the-counter calcium and phosphorus supplements. Both are a source of calcium and phosphate in Pharmaceutical companies often use DCP to make tablets, especially since it’s insoluble and ideal for use in time-release pills. It is used in toothpaste, Anti caking agent for food, dietary supplement, Feed additives.