Equishield SA Powder 2lb EquiShield™ SA Powder is a specifically formulated supplement used to address allergies in horses. Contains quercetin, a natural antihistamine, MSM, an anti-inflammatory, and Vitamin E and Hyaluronic Acid to promote skin hydration. Ingredients: Quercetin, MSM, Hyaluronic Acid, Vitamin E, Ground Stabilized Flaxseed. Contains the following; - Quercetin, a natural antihistamine. - Ground stabilized flaxseed help reduce the bodys immuneresponse to common allergens. - Sodium hyaluronate (HA) which maintains hydration of skin. - MSM, an anti-inflammatory. - Vitamin E, an antioxidant. - Rice bran which is an antioxidant and anti-inflammatory. Directions: Give one scoop (30 grams) daily per 1,100 pounds of body weight. Made in the USA. For Veterinary Use only.