Ship speed applies to in stock items, pending location. Does not include personalized items like engraving, embroidery, SmartPaks, or PortionPaks. Complete details on our Shipping Policies page.
SmartPaks help you take great care of your horse, so we take great care of you with SmartPerks! When you order your horse's supplements in SmartPaks, you're automatically* eligible for our FREE SmartPerks benefits, including:
  • Free ground shipping on what you want, when you want it
  • 10% off all Smartpak brand tack, apparel, and gear
  • A free Team SmartPak calendar, exclusive email offers and discounts, and more!
Learn more about SmartPerks
*At least one horse's individual SmartPaks must be over $40. Some exclusions apply.
Visit SmartPak.com/SmartPerks or call 1-800-461-8898 for details.

Muscle Development & Mass

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  • $35.95 - $149.95

    SmartSupplements by SmartPak
    Helps build strong, healthy muscle
    • Provides all 10 essential amino acids from high-quality protein sources for lean muscle development
    • Also includes gamma oryzanol, branched-chain amino acids & bioactive whey
  • $37.95 - $76.95

    SmartSupplements by SmartPak
    Helps your horse bounce back
    • Provides targeted ingredients such as tart cherry, DMG, magnesium, and vitamin E
    • Includes ExertAmine?, a blend of branched chain amino acids to support normal muscle repair
  • $15.05 - $21.95

    Uckele Health & Nutrition
    Essential amino acids for protein production
    • Contains 10,000 mg of L-lysine, 5,000 mg of DL-methionine & 2,000 mg of L-threonine
    • These three amino acids must be provided in horses' diets because they can't make them on their own
  • $10.25 - $194.95

    Auburn Laboratories Inc
    Immune & muscle support
    • All the benefits of the original APF, plus more
    • Designed for horses under stress and elite equine athletes
  • $59.95 - $64.80

    Ramard
    Replenishes nutrients lost during exercise
    • Fortified with essential B vitamins, minerals & iron to support red blood cell production
    • Branched-chain amino acids for muscle health & electrolytes to help replenish minerals lost in sweat
  • $12.90 - $26.95

    Vita-Flex Nutrition
    Economical form of lysine
    • 9,099 mg of pure lysine
    • Lysine must be provided in your horse's diet because the body cannot make it on its own
  • $74.95 - $219.95

    Equiade
    Supports peak body condition
    • Provides 331 mg of gamma oryzanol from rice bran oil & rice bran oil extract
    • Designed to support muscle building & peak performance
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D-Carb Balance is a multi-vitamin/mineral supplement formulated for horses predisposed to insulin resistance and/or an inability to metabolize high carbohydrate levels. D-Carb Balance is in a palatable pellet form with a rice bran base. Chromium and magnesium may help regulate ...
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NEW SmartMetabo-Lean Pellets are designed to help manage insulin resistance, a condition that is part of Equine Metabolic Syndrome, and frequently associated with obesity. This comprehensive formula supports healthy metabolic function by providing ingredients such as chromium and magnesium to ...
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Metaboleeze contains a digestible source of chromium combined with B-complex vitamins and organic trace minerals. Metaboleeze may be appropriate for supporting horses with Equine Metabolic Syndrome/insulin resistance, as well as some types of tying-up. Work with your veterinarian to determine ...
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Calm & Collected (formerly Confidence Plus) by Hilton Herbs is a natural calming supplement for horses and ponies. This supplement contains a pure dried herbal blend of valerian, vervain, chamomile, hawthorn, marshmallow, and meadowsweet. Calm & Collected is designed for ...
Advanced Protection Formula (APF) is a highly concentrated ...
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Advanced Protection Formula (APF) is a highly concentrated liquid extract of adaptogenic herbs, developed by an equine veterinarian. This supplement helps protect horses from stress, supports the immune system, and aids in healthy recovery. Recommended for daily use. View our ...
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