Zoo Med is proud to offer Reptivite, a complete vitamin, mineral, and amino acid complex specifically formulated for reptiles. Reptivite is calcium based to ensure healthy bone growth with the correct 21 calcium to phosphorus ratio. Originally developed for the San Diego Zoo to correct soft-shell problems in turtles, it is now used by some of the most respected zoos and animal parks throughout the world. The first reptile vitamin to include the compete amino acid complex, an essential component in protein digestion. Reptivite does not contain artificial additives or fillers like soy, yeast, or sucrose. Use 2-3 times weekly on your reptile's food.