Horseshoer's Secret Horse Supplement Concentrate 3.75LB, Concentrated, pelleted supplement for horses of all ages scientifically developed with the most complete combination of nutrients for strong, healthy hoofs. Contains biotin (25 mg/2 oz), key amino acids, yeast culture and omega-3 & -6 fatty acids. Helps stop cracked hoofs and weak walls, helps restore normal hoof growth, helps hoofs hold shoes longer. Highly palatable and easy to feed. For all classes of horses. Dosage for 1,100 lb horse: 2 oz daily for 6-8 mos; then 1 oz daily for maintenance. Adjust dosage according to body weight. Not for sale in HI