Why You're Failing at horse feed to increase muscle mass
https://sites.google.com/view/horse-muscle-supplement/
For a metabolically sensitive horse, each ration ingredient earns scrutiny, and Pur.Muskel keeps its list simple: no added vitamins or minerals, and no alfalfa. That clarity makes it easy to slot into a complete ration at 50–80 g per 220 lb in medium work