BIOTIN 15MG/25G 1KGThe most critical vitamin in the process of hoof growth and regeneration is Biotin, a member of the B vitamin family It is a water soluble vitamin, and while plentiful in good grass legume mixtures, it is otherwise poorly available from food sources, and regular supplementation is recommended Biotin TRM helps to maintain healthy hooves and keep them in good condition Feeding Instructions All Horses: Feed 25g per day.