Give your equine companion the gift of balanced mood, improved performance, and overall health with Mad Barn’s Magnesium Oxide Horse Powder Supplement. This supplement features magnesium oxide, a macromineral that’s essential for various functions within your horse’s body, including bone formation, protein synthesis, and electrolyte balance. It also supports the nervous system and acts as a co-factor for important enzymes. This supplement is a great choice for horses dealing with occasional stress, nervousness, and muscle soreness.