Harrison's Booster 4 oz (120 ml) Use for sick, weak or immune-compromised animals, upper respiratory infections, Mycoplasma spp, microbial diseases and skin disorders Has antibacterial, antiviral, antifungal and antiprotozoal properties Virgin, certified organic, whole food source of carotenoids (precursors to natural vitamin A, including alpha- and beta-carotenes and 20 carotenes) Non-synthetic source of 6 forms of vitamin E, which contains 2 forms of tocopherols and all 4 of the tocotrienols (super potent vitamin E) Is safe and effective for all species (dogs, cats, all mammals, birds, reptiles and other exotic animals)