) Nature's alternative for bute. Contains devil's claw (Harpagophytum procumbens) and yucca (yucca liliaceae), two of nature's most powerful herbs, as well as vitamin B12. Recent studies compare their anti-inflammatory action to cortisone and "bute". Suggested use of Bute-Less is for horses with conditions associated with arthritis and rheumatism. Contains test free ingredients. Not for pregnant mares. Feed 1 oz. per day.