Undeniable Proof That You Need methionine for horses

https://sites.google.com/view/horse-muscle-supplement/

Conditioning an endurance horse means reading numbers: 14.1 MJ/kg digestible energy, 5.8% starch, 4.1% sugar — this label reads like an endurance rider wrote it. Add the muesli into a complete ration at 50–80 g per 220 lb in medium work.