Formula 707 Hoof Health Equine Supplement Nourish and improve cracking, crumbling or delaminating hooves with COMPLETE support for strong, healthy hoof walls and soles. D-Biotin (a B vitamin) supports thick hoof wall and sole growth. DL-Methionine and L-Lysine (essential amino acids) are vital for overall hoof quality. Proteinated manganese, calcium, phosphorus, zinc and copper maximize bio-availability and absorption. Formulated and manufactured by John Ewing Company in Colorado, USA, where we've been Helping Horses Succeed Since 1946