Horse Health > Horse Supplements Body Builder 4000 Horse Supplement Price $48.33 Stock status: Out of Stock Stock status: In Stock Product Code: RJ601-21P Qty: Description Sizing Information Reviews Body Builder 4000 is a 40% fat, 26% protein nutritional supplement designed to promote weight gain and act as a body conditioner. Promotes growth and maturity in young horses, helps under-conditioned horses to gain needed weight. Safe for pregnant mares, decreases incidence of colic caused by overfeeding of traditional feeds. High energy concentration and calories permit lactating mares to maintain proper body weight. Keeps performance horses in top body condition during peak season. Dosage: Mature horses - 4-6 oz per day when idle, 8 oz per day during show and performance; Breeding stallions - 4 oz per day out of season, 8 oz per day in season; Breeding mares - 8 oz per day; Weanlings and yearlings - 1 oz per 100 lbs body wt.