Keep your pal healthy with the Zoo Med Repti Calcium with D3 Reptile Supplement. Calcium is essential for the health and wellbeing of reptile and amphibian buddies, and this supplement provides them with a highly bioavailable source of calcium that has no phosphorus or lead. Made with only ultrafine precipitated calcium carbonate, its free of impurities and has particles that have a lot of surface area to increase absorption in your pals tummy. It also has vitamin D3, known to benefit reptiles that spend most of their time indoors. Using it is easy-simply dust crickets or sprinkle on herbivore food, and then feed your pal as usual. Plus, the formula is made in the USA with no filler or additives.