Benefits: a calcium magnesium supplement to soothe and coat the gastrointestinal tract. Super-concentrated formula allows you to use one product instead of three. U-Gard Powder contains calcium carbonate, magnesium hydroxide, methylcellulose, silicone dioxide, kaolin, pectin and more. Feed 1 oz. twice daily with horse's feed.; Cautions: Please ready product label for full instructions, cautions and warnings.Do not feed to cattle or other ruminants.Keep our of reach of children. Storage: Store in a cool, dry place – Close container after use ; U GARD Rx Powder Equine 4lbs, 32 Day Supply. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.