Identify gaps in your horse's nutrition program to optimize their well-being.
Muscle Supplement - Feed Database
View a list of the best muscle supplements for horses in Mad Barn’s equine feed database. Compare ingredients and nutritional profiles to choose products that help support muscle growth, topline development, athletic performance and exercise recovery.
Feeds, Supplements & Products
Acetyl-L-Carnitine (Mad Barn)
Acetyl-l-carnitine (ALCAR) is a performance horse supplement that supports energy metabolism, muscle function and neural health. This powdered supplement has a low feeding rate and is generally well accepted by horses.
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
L-Lysine (Mad Barn)
Lysine is an essential amino acid that is important for forming strong collagen bonds. Lysine is the most commonly deficient amino acid in equine diets.
Magnesium Oxide (Mad Barn)
Magnesium Oxide is a concentrated source of mineral magnesium that can be added to equine diets. Magnesium supplementation has been shown to have a calming effect in nervous horses, as well as support proper muscle function.
Natural E/Organic Se (Mad Barn)
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Natural Vitamin E (Mad Barn)
Natural Vitamin E from Mad Barn is a powdered Vitamin E supplement for horses. Vitamin E is essential for immune function, exercise recovery, neurological health and cardiovascular health in horses.
Three Amigos (Mad Barn)
Three Amigos is an equine essential amino acid supplement containing lysine, methionine, and threonine in a 5:3:2 ratio. These are the three most common limiting amino acids in the horse's diet.



















