Zoo Med's Reptile Electrolyte Soak supplies electrolytes, B vitamins, Vitamin C, beta-carotene, a prebiotic, and probiotics for your pet reptile(s). Great for use with newly acquired reptiles. Features: Electrolytes help regulate proper hydration and cellular function. Beta-carotene (Vitamin A) aids in color pigmentation. B vitamins help the body with proper metabolism. Vitamin C is an antioxidant and is also important for skin and immune health. Prebiotics are important fuel sources probiotics. Probiotics aid in proper gastrointestinal health and digestive function.