Most reptiles and amphibians are unable to obtain the essential vitamins and trace minerals that they require from a captive diet. Exo Terra Multi Vitamin Powder Supplement is formulated to meet the nutritional needs of reptiles and amphibians in conjunction with their daily diet. It contains precise levels of vitamins, amino acids and trace elements that are essential for energy production, growth, maintenance, reproduction and many other bodily functions. Exo Terra Multi Vitamin Powder Supplement is a complementary pet food for reptiles and amphibians.