Cracked and brittle hooves are common in many performance horses. Poor moisture retention combined with poor hoof growth are the main factors. Affected feet are prone to cracks, seedy toe or white line infections. Maintaining the moisture content of the hoof and ensuring the necessary vitamins and amino acids are present in the diet is crucial for hoof health. Four Feet contains biotin, zinc, methionine, sulphur and ten essential amino acids necessary for building strong hoof protein.