Coral Calcium, Value Size, 270 Capsules, Olympian LabsOlympian Labs Coral Calcium Dietary Supplement. 1000mg per serving. Olympian Labs Coral Calcium comes from the Sango Reefs around Okinawa, Japan. We do not disturb the delicate reef environment but instead only harvest coral that has broken off from the natural action of the tides and waves. These granules are then carefully mined, pulverized and processed into capsules. Supplement Facts Servings Size: Three (3) Capsules Servings Per Container: 90