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Top rated horse weight building supplements

AI-generated summary · updated July 28, 2026 · verify details before purchase.

  1. Horseware Trac-10 Weight Gain Powder
    Best overall Horse Guard

    Horseware Trac-10 Weight Gain Powder

    4.7/5 $58.39

    A highly palatable, nutrient-dense supplement that boosts energy and promotes muscle mass.

    • High protein
    • Rich in B-vitamins
    • Easy to mix
    • Higher price
  2. Pro Horse Weight Gain Powder
    Best for muscle gain Manna Pro

    Pro Horse Weight Gain Powder

    4.6/5 $36.99

    Balanced blend of proteins and carbs that supports rapid weight and muscle build-up.

    • Protein-packed
    • Low sugar
    • Great taste
    • None
  3. Equine Max Protein Powder
    Best for lean muscle Equine Products Inc

    Equine Max Protein Powder

    4.5/5 $106.95 Only 13 left

    A premium protein powder designed to fill nutritional gaps and aid in muscle repair.

    • High-quality whey
    • Zero carbs
    • Fast absorption
    • Limited flavor options
  4. Equine Nutrition Weight Gain Powder
    Best budget pick Formula 707

    Equine Nutrition Weight Gain Powder

    4.4/5 $80.53 Only 1 left

    Affordable formula combining protein, carbs, and essential vitamins for steady weight gain.

    • Cost-effective
    • Wide availability
    • Smooth texture
    • Slightly sweet aftertaste
  5. Best for endurance

    NUTRIGAIN Weight Gain Supplement

    4.3/5 $30-$45

    Supports both weight and stamina with a blend of energy-boosting ingredients.

    • Energy-boosting
    • Balanced macros
    • Low sodium
    • Not very sweet
  6. EquiPro Weight Gain Formula
    Best for older horses Formula 707

    EquiPro Weight Gain Formula

    4.2/5 $41.33

    Tailored for mature horses needing gentle, yet effective weight support.

    • Gentle on stomach
    • Rich in minerals
    • High protein
    • Premium price
  7. Cargill Equine Weight Gainer
    Best value SU-PER

    Cargill Equine Weight Gainer

    4.1/5 $87.68

    Economical option that delivers essential calories and protein for weight gain.

    • Very affordable
    • Broadly available
    • Sufficient protein
    • Less palatable

Buying advice

When choosing a weight-building supplement, consider the horse’s diet, metabolism, and any health issues. Look for products with balanced macronutrients, high protein content, and essential vitamins. Test small batches first to ensure acceptance, and always consult a veterinarian before starting a new supplement regimen.

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