Super Weight Gain is by far the most potent weight gain on the market. It heals a horse in three ways: protein, probiotics, and vitamins and minerals. It supplies the highest quality protein available to a horse as most competing products are mostly fat with little to no protein. The supplement also supplies the highest quality probiotics to heal the gut so the horse can get more out of all his feed. Super Weight Gain provides the vitamin-mineral package of Horse Guard, a complete vitamin-mineral supplement to insure all the horses' needs for vitamins and trace minerals are met. Super Gain is formulated by a certified equine nutritionist and features only the highest quality ingredients including unsaturated fats, concentrated energy, yeast extracts, and bacterial inoculants. Super Weight Gain is appropriate for 'hard keepers,' and horses under stress of illness, surgery, travel, aging, or performance demands. Appropriate for all classes of horses including pregnant mares, foals, growing horses, performance horses and older horses. HYPP safe (no added potassium.) | Horse Guard Super Weight Gain Equine Supplement | Size 40 lb