Our tried-and-true 20:1 CBD:THC formulation has been improving the lives of pets since 2015. Available in 1 fl. oz., 2 fl. oz., and 4 oz. sizes. Recommended uses include: Support joint mobility, Support normal brain function, Help maintain normal GI health, Help keep your pet calm. Easy to measure, Veterinarian formulated, Veterinary nurse support, All natural ingredients.