From our family to yours, Fourflax Immunity boosts your pet's natural defenses and keeps them thriving. With olive leaf extract high in oleuropein, one of nature's most potent antioxidants, it helps protect against illness. This blend of vitamins, minerals, and essential fatty acids, combined with whey protein, strengthens the immune system and improves cell function. Ingredients: Flax seed fiber, olive leaf extract, vitamin E, vitamin C, whey protein, yeast extract meat flavor.