Zoo Med ReptiVite with D3 is a complete vitamin, mineral, and amino acid complex specifically formulated for reptiles. ReptiVite is calcium based to ensure healthy bone growth with the correct 2:1 calcium to phosphorus ratio. The first reptile vitamin to include the complete amino acid complex, an essential component in protein digestion. ReptiVite does not contain artificial additives or fillers like soy, yeast, or sucrose. 2oz tub.