Ark Naturals Nu-Pet Feline Antioxidant Benefits of Nu-Pet Feline Antioxidant: Provides your cat with amino acids - Taurine, Glutathione, Cysteine, Vitamin A, Vitamin C, and Bio-flavinoids and Selenium Yeast Free: animals as well as humans are frequently allergic to yeast. It may cause dry skin and coats, excessive itching and adverse autoimmune responses Contains All Natural Human-Grade Ingredients: Wheat Sprouts Wheat Grass Carbohydrates Fish Flavour Proteins Alfalfa Vitamins C & E Bio-flavonoids Vitamin A Taurine Cysteine Glutathione Selenium Contains NO Chemicals, preservatives, sugars, startch or glutens