Beaphar Bone Builder is a powdered supplement that provides the essential building blocks for strong, healthy bones & teeth. This product is a nutritional supplement containing calcium & phosphorus in a balanced ratio, that can be added to home-prepared meat, soya and fish-based diets, which are likely to be deficient in these minerals. It is intended for adult animals fed a largely meat-based diet which is likely to be deficient in calcium and phosphorous.