Why You're Failing at soy free horse feed

https://hoveler-performance-horse-feed-lpyu922.brightpathdigest.com/posts/hoveler-pur.muskel-vs-a-one-bag-complete-feed-9-differences-that-matter

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