Identify gaps in your horse's nutrition program to optimize their well-being.
Muscle Supplement - Feed Database
View a list of the best muscle supplements for horses in Mad Barn’s equine feed database. Compare ingredients and nutritional profiles to choose products that help support muscle growth, topline development, athletic performance and exercise recovery.
Feeds, Supplements & Products
Acetyl-L-Carnitine (Mad Barn)
Acetyl-l-carnitine (ALCAR) is a performance horse supplement that supports energy metabolism, muscle function and neural health. This powdered supplement has a low feeding rate and is generally well accepted by horses.
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.
L-Lysine (Mad Barn)
Lysine is an essential amino acid that is important for forming strong collagen bonds. Lysine is the most commonly deficient amino acid in equine diets.
Magnesium Oxide (Mad Barn)
Magnesium Oxide is a concentrated source of mineral magnesium that can be added to equine diets. Magnesium supplementation has been shown to have a calming effect in nervous horses, as well as support proper muscle function.
Natural E/Organic Se (Mad Barn)
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Natural Vitamin E (Mad Barn)
Natural Vitamin E from Mad Barn is a powdered Vitamin E supplement for horses. Vitamin E is essential for immune function, exercise recovery, neurological health and cardiovascular health in horses.
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.
No.4 Top Line Conditioning Cubes (Baileys Horse Feeds)
No.4 Top Line Conditioning Cubes from Baileys Horse Feeds is intended for underweight, performance, young, under muscled, and older (with poor dental health) horses and ponies. This feed contains 12.5% protein and 26% starch making it a very high-energy feed.
Nupafeed® Magnesium (Nupafeed)
Nupafeed® Magnesium is a daily liquid supplement for horses, containing magnesium aspartate hydrochloride. It is formulated to help reduce stress and relieve muscle tension
Performance Builder (Finish Line)
Performance Builder by Finish Line is liquid additive designed for muscle growth and overall health. It contains amino acids and is designed for all ages of horses.
Prep ‘n’ Condition Mix (Gain Equine Nutrition)
Prep n' Condition Mix is a textured feed intended to promote weight gain. It contains 14% protein, 6.5% fat, and 8.5% fiber.
Prime Conditioning Mix (Bluegrass Horse Feed)
Prime Conditioning Mix is a highly digestible cereal based feed. It is intended for horses and ponies in moderate and heavy work. It is also suitable for senior horses and those needing to gain weight.
Pure Condition Mix (Pure Feed Company)
Pure Condition Mix by Pure Feed Company is a textured horse feed that promotes positive behaviour and helps to improve muscle development. It supports digestive health and supplies calm energy to the horse.
Pure Condition Pellets (Pure Feed Company)
Pure Condition Pellets by Pure Feed Company is a pelleted horse feed that intends to assist with muscle development. Pure Condition Pellets contain a high oil content to promote weight gain.
RaceOn Muscle Power (NAF Equine)
RaceOn Muscle Power by NAF Equine is a liquid horse supplement that uses an amino acid formula intended to provide the building blocks for healthy muscle development. It is meant for muscle health and performance in racehorses.
Rapid Gain (McMillan Equine Feeds)
Rapid Gain by McMillan Equine Feeds is a complete feed intended to support muscle development and body condition in all horse types.
Regen-X (100 X Equine)
Regen-X from 100 X Equine is an amino acid supplement intended for performance horses. Regen-X is intended to build muscle tone and support recovery after exercise.
ReLyte (Enviro Equine)
ReLyte by Enviro Equine is a supplement intended to support muscle function, energy metabolism and promote recovery following strenuous exercise in horses. It is formulated for horses in hard work or horse that are travelling.
Repair Daily Formula (Red Hot Equine Aminos)
Repair Daily Formula by Red Hot Equine Aminos is a powdered supplement formulated with amino acids, trace minerals, and electrolytes. It is specifically designed to support muscle recovery in horses.
S-200 Sport & Leisure (Royal Horse)
S-200 Sport & Leisure from Royal Horse is a pelleted feed intended for horses and ponies in moderate to heavy work. This feed is intended to support muscular activity with added Vitamin E.
Senior Conditioning Mix (Spillers Feeds)
Senior Conditioning Mix from Spillers Feed is intended for active senior horses struggling to keep on weight. This feed contains small-sized particles that are easy to chew for senior horses with poor teeth, along with glucosamine which helps to support joint mobility.
Shine+ Conditioning Mix (Spillers Feeds)
Shine+ Conditioning Mix from Spillers Feed is low in starch to help decrease excitability and contains a 6% fat content to improve horses' coat quality. This feed is intended for horses susceptible to weight loss.
Smart & Simple DMG (SmartPak)
Smart & Simple DMG from SmartPak is a granular supplement of Dimethylglycine (DMG) for horses. Smart & Simple DMG is intended to support normal muscle function and recovery.
SmartMuscle Mass (SmartPak)
SmartMuscle® Mass Pellets is an amino acid supplement for horses, containing branched chain amino acids (BCAAs) and whey protein. It is formulated to support muscle development.
SU-PER Muscle Builder Liquid (Gateway Products)
SU-PER Muscle Builder Liquid by Gateway Products is a supplement meant to support proper body condition and healthy muscle tissue. This supplement provides the key amino acids for muscle building and would best support performance horses.
SU-PER Muscle Builder Powder (Gateway Products)
SU-PER Muscle Builder Powder by Gateway Products is a supplement meant to support proper body condition and healthy muscle tissue. This supplement provides the key amino acids for muscle building and would best support performance horses.
Super Condition (St.Hippolyt)
Super Condition by St.Hippolyt is a pelleted vitamin and mineral supplement intended for performance horses, and breeds with increased muscle mass.
Super Conditioning Flakes (TopSpec)
Super Conditioning Flakes is a muesli feed intended for horses and ponies of all ages and work levels. It is meant to be fed alongside a ration balancer or supplements.
Super Weight Gain (Horse Guard)
Super Weight Gain by Horse Guard, is a supplement intended for healthy weight gain and enhancing coat condition. This supplement contains full-fat soybeans, prebiotics, probiotics and a vitamin mineral package.
Tie-By (AniMed)
AniMed TIE-BY is an antioxidant supplement for horses that routinely "tie-up." Ingredients include L-carnitine, magnesium, selenium, chromium and Vitamin E. This supplements supports the function of skeletal muscles and muscle enzyme activity.
Tie-X + Calcium (Golden Horseshoe)
Tie-X + Calcium by Golden Horseshoe is a powdered muscle supplement. It is formulated with vitamins and minerals such as calcium, magnesium, and thiamine.
Total Blood Fluids Muscle (Ramard)
This supplement from Ramard is meant to assist in muscle recovery, health, and strength. It also provides energy and increases the amount of red blood cells in horses, while also providing electrolytes. This aids in performance, exercise, and health.
Total Tendon Repair (Ramard)
Total Tendon Repair from Ramard is a supplement that is supposed to aid in tendon and ligament strength and support. It is also meant to help with the recovery process and decrease inflammation.
Vital 33 (Menuerie Benjamin)
Vital 33 by Meunerie Benjamin is a high-protein, high-energy equine supplement formulated to support topline development and improve overall body condition. This supplement can be fed on its own or alongside a complete feed.



















