Identify gaps in your horse's nutrition program to optimize their well-being.
Hard Keeper - Horse Type
View a list of equine feeds and supplements targeted to hard keeper horses horses in Mad Barn’s equine feed database. Compare brands, ingredients and nutrition info to choose products that support weight gain and maintenance for your horse.
Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
B-Vitamin Pak (Mad Barn)
B-Vitamin Pak is a comprehensive B-vitamin supplement in powder form. It provides a balanced profile of the B-Complex vitamins and may be beneficial for horses during times of heavy work, stress, or illness.
Omneity Premix – Vitamin & Mineral Supplement (Mad Barn)
Omneity Premix is a balanced mineral and vitamin supplement for horses providing 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast, and digestive enzymes.
Optimum Digestive Health Pellets (Mad Barn)
Optimum Digestive Health from Mad Barn is a probiotic and prebiotic supplement designed to support hindgut health in the horse. It helps to maintain a stable microflora and promote immune health.
Optimum Probiotic (Mad Barn)
Mad Barn's Optimum Probiotic is a pure 5-strain probiotic supplement in a powdered format. It provides 20 billion CFU per serving of L. acidophilus, L. fermentum, L. casei, L. plantarum, and L. farciminis.
Three Amigos (Mad Barn)
Three Amigos is an equine essential amino acid supplement containing lysine, methionine, and threonine in a 5:3:2 ratio. These are the three most common limiting amino acids in the horse's diet.
Visceral+ (Mad Barn)
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
w-3 Oil (Mad Barn)
w-3 Oil by Mad Barn is an essential fatty acid supplement fortified with the omega-3 DHA and natural Vitamin E. W-3 Oil helps to support joint health, coat quality, cardiovascular health and weight maintenance.
Tribute Ultra (Tribute)
Tribute Ultra is intended for hard keepers and horses and ponies in heavy work. This feed is meant to support weight gain and performance with its 12% fat and 12% protein formula.
Triple Play (Equi-lete)
Triple Play by Equi-lete is a vitamin and mineral supplement intended to support gastric health, performance and body condition in hard keepers, performance horses and breeding stock.
Ultimate Finish 40 (Buckeye)
Buckeye Ultimate Finish 40 is a pelleted horse supplement providing 40% fat, which can support weight gain. It is formulated to be calorically dense with limited grain content.
Ultimate Finish SRB+ (Buckeye)
Buckeye Ultimate Finish SRB+ is an extruded fat supplement containing stabilized rice bran and milled flaxseed. It is intended to add calorie density to the diet, which can support performance, weight management, and skin and coat quality.
Ultra Bloom (Seminole)
Seminole Ultra Bloom is an extruded fat supplement containing stabilized rice bran. It is intended to support weight gain and a healthy coat in horses. This feed is calorie dense making it ideal for growing, breeding, show and performance horses.
Ultra Mate (Elk Grove Milling)
Ultra Mate by Elk Grove Milling is a corn based supplement intended to provide extra energy for competition horses, hard keepers, stallions and lactating mares.
UltraCruz Equine Pure Flax Oil (Santa Cruz Animal Health)
UltraCruz Equine Pure Flax Oil is a fat supplement for horses that provides omega-3 fatty acids. Flax oil can benefit underweight and performance horses and support healthy skin and coats.
UltraCruz Equine Weight Gain (Santa Cruz Animal Health)
UltraCruz Equine Weight Gain is a fat supplement intended for horses needing to gain weight. This liquid supplement contains flax oil and natural vitamin E (1,000 IU per ½ cup serving). It also supplies omega-3 fatty acids, which can benefit skin and coat health.
Vitalize Equine Protein Pellet (BioZyme)
Vitalize Equine Protein Pellet by Biozyme is a protein supplement intended for growing, breeding, senior and performance horses.
Vitamin B1 – Thiamine (Herbs for Horses)
Herbs for Horses' Vitamin B1 supplement provides Thiamine which is an essential B vitamin for growth, appetite and energy metabolism. Thiamine also aids in calming nervous or anxious horses.
Weight Booster (DuMor)
Weight Booster by DuMor is a high caloric supplement formulated to provide extra calories required for body condition and equine performance.
Weight Booster High-Calorie Supplement (Agrimaster)
Weight Booster High-Calorie Supplement by Agrimaster is a high-calorie supplement intended to support weight gain and coat condition in all classes of horses.
Weight Builder (Farnam)
Farnam Weight Builder is a conditioning supplement intended to add calories to the diet. It is designed to provide energy from corn distiller’s grains, flax meal, and partially hydrogenated vegetable fat.
Weight Gain Mix (Allen & Page)
Weight Gain Mix from Allen & Page is intended for hard keepers that are having difficulty maintaining or gaining weight. This feed contains micronized cereal grains which are meant to improve digestibility.
Whole Oats (Banks Mill Feeds)
Whole Oats from Banks Mill Feeds is a high-energy concentrate feed intended for performance horses and hard keepers. It is meant to be used to add calories to the diet and increase body condition.



















