Repti Calcium -  is an ultra-fine Precipitated Calcium Carbonate Supplement with Vitamin D3. It is a phosphorus-free calcium supplement for reptiles and amphibians. It has a unique shape/high surface area per gram resulting in increased calcium bio-availability. Highly bioavailable source of calcium carbonate. Free of harmful impurities (not from Oyster Shells) Safe levels of Vitamin D3; Use for additional supplementation Safe for weekly use for most reptiles, Breeding females daily.    Read more