Farriers Formula Double Strength Refill, 11lbsDescription The original horse hoof supplement provides the nutrients horses need phospholipids, omega fatty acids and important amino acids to build strong structural and connective tissue proteins important for healthy hoof structure and growth. Pelleted supplement also contains minerals and vitamins. Within two weeks of feeding Farrier's Formula, horses develop a glossy, more deeply colored coat. At 9 10 weeks a new band of strong, healthy growth