Equishield SA Skin & Allergy Powder, 2lb (shipping weight is 3lb)EquiShield SA (Skin & Allergy) is specifically formulated to to address allergies in the horse and to support healthy skin and immune function. Quercetin is a bioflavonoid that has been shown to reduce inflammation in the horse. It may be helpful for horses with chronic conditions, such as allergies, arthritis, or malaise of aging. The addition of Ground Stabilized Flaxseed helps reduce immune response to common allergens. Other key ingredients help