Best Horse Weight Building Supplements Under $50 (2026)
Selections were ranked by value score using ingredient efficacy, targeted function (weight gain vs. muscle), product form, and price under $50
The Verdict
- Best Overall: Formula 707 Weight Gain Crumble for Equines — Best for palatability: calorie-rich crumble that encourages intake for horses needing steady weight gain
- Best Value: Formula 707 MuscleMx Equine Supplement – Conditioning & Muscle Builder — Best for conditioning: amino-acid–focused formula designed to support muscle development and overall conditioning
Top Picks
-
1
Best Overall Formula 707 Weight Gain Crumble for Equines
Best for palatability: calorie-rich crumble that encourages intake for horses needing steady weight gain
Palatable, calorie-rich supplement to support weight and energy in hard-to-keep and senior horses. Customers note effective weight maintenance and palatability, with praise for quality
- calorie-rich formula
- palatable crumble
- supports weight and energy
-
2
Best Value Formula 707 MuscleMx Equine Supplement – Conditioning & Muscle Builder
Best for conditioning: amino-acid–focused formula designed to support muscle development and overall conditioning
Equine supplement that supports conditioning and muscle mass with amino acids and energy aids. Key benefit: supports muscle-building metabolism. Customer insight notes mixed/none previously observed
- lysine for muscle proteins
- gamma oryzanol for weight gain
- okg for metabolic support
-
3
UltraCruz Equine Weight Gain 1 Gallon
Best liquid option: concentrated weight-gain supplement offering a calorie-dense, easy-to-administer boost for underweight horses
Equine weight gain supplement in a 1 gallon container. Helps support weight gain in horses. Customer note mentions its use for weight management
- weight gain support
- 1 gallon container
- horse-specific supplement