Weight Gain Supplements for Horses

View a list of the best weight gain supplements for horses in the Mad Barn Equine Feed Database. This category includes commercial weight gain products, fat supplements, high-calorie feeds, oils, rice bran, flaxseed, beet pulp, protein supplements, and muscle support formulas designed to add calories and support healthy body condition.

Compare ingredient lists, guaranteed analyses, feeding directions, and nutritional profiles for equine weight gainer supplements. Review products that provide concentrated calories from fat, fiber, protein, and amino acids to choose the best option for underweight horses, hard keepers, seniors, performance horses, and horses rebuilding muscle or topline.