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Muscle & Weight Gain Supplements for Horses

The right nutritional support may help your horse look, feel, and perform his best. Look for “cool” calories from healthy fats in weight gain supplements, targeted ingredients for muscle recovery, and key amino acids to help build strong, healthy muscles.

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SmartPerks
SmartPerks are the awesome collection of FREE benefits available when you put your horse's supplements on AutoShip* including:
Get SmartPerks pricing today by activating your FREE SmartPerks Benefits!* Here's how:
1) Enter the promo code PERKS during checkout
2) Look for your FREE benefits, including:
SmartPerks are the awesome collection of FREE benefits available when you put your horse's supplements on AutoShip* including:
  • 10% off all Smartpak brand tack, apparel, blankets, and more
  • Free shipping every day
  • Exclusive sales & discounts delivered straight to your inbox
Congratulations - your SmartPerks have already been activated!
* To be eligible for SmartPerks benefits, at least one supplement bucket/bag, or one horse's individual SmartPaks must be over $40. AutoShipping bags/buckets must ship within one multiple of the standard days supply to qualify. Some exclusions apply. call 1-800-461-8898 for details.

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Renew Gold™

Description:
Renew Gold gives horse owners the opportunity to utilize the nutritional advantages of Stabilized Rice Bran in an even more effective, advanced formulation. The unique combination of stabilized rice bran with CoolStance® Coconut Meal, Flax, and Fermented Yeast Culture allows ...

Leg Up® Combo Pellets

Description:
Leg Up® Combo Pellets provide four key areas of support in easy-to-feed pellets.  This formula includes glucosamine, chondroitin sulfate, and MSM for joint health, along with biotin and minerals for strong hooves. Leg Up Combo Pellets also include probiotics and ...

Leg Up® Calm Pellets

Description:
Supplements in this category may be a good choice for horses that are dealing with excess nervousness or tension. This formula includes herbal ingredients that offer basic support for nervous system health and maintaining an even temperament.   If you ...

SmartItch-Ease™

Description:
Same great product, NEW great taste for improved palatability!  Is your horse bugged by pesky, biting insects that make life downright uncomfortable? SmartItch-Ease is a one-of-a-kind formula designed to provide comprehensive support to horses with sensitivities to bug bites or ...

Omega Horseshine

Description:
Omega Horseshine® is a premium omega 3 essential fatty acid supplement made with fortified, stabilized, ground flax. Horse Journal's: "Product of the Year!", "Our First Pick - Most Concentrated Source of Quality Omega-3", & "Recommended Immune-Boosting Product". Recommended by John Lyons' ...

SmartOmega 3 & E™ Ultra

Description:
SmartOmega 3 & E Ultra is designed to promote wellness and vitality in your horse by providing two fundamental wellness ingredients: omega 3 fatty acids and vitamin E. High-grain diets and a lack of fresh pasture are common reasons why ...

Sainfoin Premium Equine Forage Pellets

Description:
Sainfoin is an ancient forage legume. It was so beloved by Queen Victoria that she named her first colt born at Hampton Court, "Sainfoin". Each 40lb bag contains 100% premium sainfoin with no harmful binding agents or preservatives. Sainfoin forage ...