The nutrients in Farrier's FormulaŽ Double Strength provide the building blocks for a healthy hoof and hair coat. These nutrients are provided at twice the concentration compared to original Farrier's FormulaŽ with the taste that horses love! Farrier's FormulaŽ Double Strength provides nutrients such as phospholipids, omega fatty acids, minerals, vitamins and important amino acid "protein building blocks" that enable horses to build strong connective tissue proteins that are important for healthy hoof structure and growth.