Muscle Building Horse Supplements

Whether you are looking to add muscle to your racehorse or just add some more pounds to your pleasure horse, giving a muscle building supplement can truly make a difference. Many products offer more calories for those hard keepers without making them "hot". Common ingredients include Gamma Oryzanol and/or Creatine both of which could be a natural alternative to potentially harmful steroids. There are also select formulas that benefit not only muscle development, but stress relief, recovery from overexertion, healthy coat & hoof development and general vitamin & mineral support. There are also many weight gain supplements that share the same qualities, so be sure to shop all our weight gain supplements here.

Horse Supplements - lowest prices

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Inosine 1 lb

Inosine by Peak Performance is a naturally occurring organic compound in plants and muscle tissue. It is used in enzymes that regulate muscular contraction and blood flow.

Inosine is believed to increase the oxygen-carrying capacity of red blood cells and improve oxygen delivery to muscles which in-turn inhibits lactic acid build-up.

Product Details:

  • Increases oxygen carrying capacity in blood cells and improves oxygen delivery to muscles
  • Reduces lactic acid build up
  • Natural and organic formula

0.45 kilogram in powder form is a 90 day supply for one horse.

Top Line Xtreme 15 lb

Top-Line Xtreme is a revolutionary, soy-free supplement containing an optimum balance of essential amino acids required to enhance the topline of a horse.

Product Details:

  • Contains cutting edge nutritional technology with select ingredients to provide the ultimate in muscle growth, development and performance.
  • Horses fed Top-Line Xtreme have experienced quick and effective response for top-line, muscle definition and overall development.
  • They have also seen improvement in recovery time or how fast horses "bounce back" and perform on subsequent days of competition.
  • Pellet form so it can be fed by itself or top-dressed with your horses' grain mixture.
  • Predictable results - use with any feed on any horse Source of Gamma Oryzanol
  • An easy to feed scoop in enclosed
$21.95 - $89.95

L-Lysine (Monohydrochloride) by Kauffman's Animal Health is an essential amino acid necessary for growth, development, tissue maintenance and repair.

Product Details:

  • Encourages hoof growth
  • Promotes stronger hooves
  • Supports tissue maintenance and repair

The 4 lb tub provides up to a 2 month supply and the 25 lb provides a 12 month supply for one horse.

Cool Calories 100
$24.95 - $54.95

Cool Calories 100 is a concentrated energy supplement suitable for all types of horses and is the perfect, easy-to-use addition to your feeding program for weight gain, focused energy, and haircoat condition. Cool Calories 100 provides essential fatty acids for skin and hair condition, as well as the calories needed for weight gain and exercise performance. Research has shown the addition of fat and reduction in carbohydrate decreases excitability in horses, making Cool Calories 100 the ideal calorie source for all types of performance horses.

Product Details:

  • Contains 5 times the fat of an equal amount of stabilized rice bran
  • 8 pounds of Cool Calories 100 has the fat content of 40 pounds of rice bran
  • Does not conflict with fortified feeds
  • Has a delicious smell, is presented in a dry, beaded form, and is very palatable
  • Contains no sugar or carbohydrates Is easy to feed, and is safe and economical
  • Helps with skin and coat
  • Aids in putting on weight without making your horse hot
$44.95 - $98.95

Clovite Conditioner by Zoetis is a top line conditioner for all species of animals, including young foals and weanlings, brood mares, colts, stallions and horses in training. This vitamin supplement contains high levels of vitamins A, D and B12. One of the tried and true supplements for overall condition of your horse and the support top notch well being.

Product Details:

  • Helps with night vision
  • Aids in keeping a healthy immune, respiratory, reproductive, and nervous system
  • Supports proper growth in foals
  • Promotes superior body condition in all phases of life for horses
  • B Vitamins to help keep energy levels up through training and growth


Gamma 1150 Forte 32 oz
$77.95 - $79.95

Gamma 1150 Forte is a feed supplement made with highly concentrated Rice Bran Oil. It contains the plant sterol Gamma Oryzanol as well as naturally occurring tocotrienols and tocopherols. When fed daily it will provide a powerful antioxidant network and will promote muscle development, physical well being and improve overall appearance.

Caution: The use of this product may contravene the rules of equestrian competition. The manufacturer recommends consultation with your governing body.

Now contains Alu-Flask to ensure maximum freshness


Corta Flx Nutrabolic 4 lb

Nutrabolic by Corta-Flx is a test free natural alternative to Anabolic steriods. It helps with the growth of muscle mass and promotes strong bones, hoofs, and cartilage.

Feeding Directions: For an average 1,100 pound horse give 2 ounces daily. Provides up to a 32 day supply for one horse.

APF Pro Equine
$64.95 - $186.00

APF Pro Equine is the most advanced herbal formula for use in horse to protec the immune system and cellular metabolism.  APF Pro provides your horse a much needed ulcer fighting benefit while still providing the necessary stress protection.  Research has shown that Aralia can provide important protective benefits to fight against stress caused ulcers. 

Product Details:

  • Improved formula provides powerful anti-catabolic action to help build and maintain skeletal muscle
  • Increases resistance to stress induced gastric ulcers
  • Protects the immune system from long-term or intense stress
  • Optimizes glucose uptake and utlization in muscle cells
  • Promotes higher levels of ATP and CP in muscle cells
  • Improves utilization of lipids (fats) for long-term energy production
  • Improves and protects mitochondrial efficiency
  • Delays the onset of fatigue during exercise Improves recovery from physical exertion
  • Protects digestive function by providing sustained energy to the GI tract
  • Delivers powerful anti-oxidant activity to protect against free radical damage
  • Protects against the damaging effects of intense or chronic stress
Myo Guard
$31.95 - $187.95

Natural body defense mechanisms may be unable to provide enough protection against oxidation when horses train for or compete in strenuous exercise, so support your horse’s muscular system with Myo-Guard by Kentucky Performance Products.

Product Details:

  • Supports the antioxidant status of the horse’s body during exercise and replaces magnesium lost in sweat.
  • Contains natural vitamin E.
  • Supplemental source of selenium, magnesium, and vitamin C.
  • Palatable and easy to feed.
  • Oxidation accelerates during athletic effort because oxygen use increases.
Magic Power 14oz

Newly Formulated Magic Power by Black Magic is an all natural, herbal, very effective pain reliever, muscle and joint supplement that supports the reduction of joint and muscle soreness. Can be given just prior to a competitive event and really addrersses chronic pain issues.

Product Details:

  • 14 doses
  • More fluid motion
  • Natual continued well being
  • More durability
  • Quicker recovery between performance events
  • More muscle strength
  • Made of Boswellia, Chinese Skullcap, White Peony, White Willow Bark, Turmeric and Ginger.
Progressive Nutrition ProAdd™ Ultimate Supplement

ProAdd™ Ultimate Supplement provides essential nutrients for optimum muscle development, weight over the topline, healthy skin and coat, and healthy strong hooves.

Product Details:

  • Save money – all-in-one supplement replaces many individual supplements
  • Complete nutrition “all-in-one supplement”
  • Biotin added for healthy hooves
  • For improved muscle
  • Enhanced topline weight
  • Shiny hair coat
  • Digestive Health
  • Optimum support for bones and tendons
  • Feed as a supplement with existing feeds
  • Horses look and perform their best
  • 25 lb. Bag

Additional Features/Benefits:

  • Contains less than 8% nonstructural carbohydrates (NSC) so it is ideal for horses with special needs such as PSSM, laminitis or Cushing’s.
  • No scoop included
  • Balanced ratios of Omega 3 and Omega 6 fatty acids
  • Optimal calcium and phosphorus ratios

More Muscle Maximize 8 lb

Absorbine More Muscle Maximize Pellets provides complete conditioning to support digestion and bioavailability of muscle building ingredients. Perfect for improving weight, muscle tone, coat and hoof appearance.

Product Details:

  • Enhance bioavailability and protein metabolism
  • Training and performance support for exercising muscle
  • Supports Healthy Digestion
  • Helps maintain calmness
  • May reduce the possibility of digestive colic
  • 60 Day supply for 1 horse
Golden Gro Equine Formula 25 lb

Golden Gro is a soy based protein supplement that is ideal for all competitive horses including; standardbred, thoroughbred, polo, hunter-jumper, dressage. Golden Gro helps muscle growth and definition, enhances coat and hoof growth and is an all around great supplement for competitive horses.

Product Details:

  • Balanced nutritional fortification
  •  Palatable, extruded particle for easy digestion and calorie absorption
  • Aids muscle development, growth, and overall size
  • 100% natural, no additives, chemicals, or preservatives
  • 12 natural amino acids help promote healthy hair, coat, and hooves
  • Good for all breeds
  • Nutritionist Formulated
  • Guaranteed Analysis: Crude Protein not less than 38%, Crude Fat not less than 18%, Crude Fiber not less than 5%
Golden Gro Equine Formula with Biotin 25 lb

Golden Gro with Biotin is a soy based protein supplement that is ideal for all competitive horses including; standardbred, thoroughbred, polo, hunter-jumper, dressage… Golden Gro helps muscle growth and definition, enhances coat and hoof growth and is an all around great supplement for competitive horses. Our clients include world-record holders and Breeder's Crown champions.

Product Details:

  • Palatable, extruded particle for easy digestion and calorie absorption
  • Aids muscle development, growth, and overall size
  • 100% natural, no additives, chemicals, or preservatives
  • 12 natural amino acids help promote healthy hair, coat, and hooves
Rabbits Creatine Muscle Fuel

Rabbit's Creatine Muscle Fuel by Rabbit's

99.5% Pure Creatine used for energy and muscle build up.

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