Farrier's Formula Double Strength Diamond Naturals Dog Food The first is regular glucosamine Diamond Naturals Dog Food The first is regular glucosamine which provides an immediate supply of glucosamine HCI while thesecond form Time Release Glucosamine Vita Hair Volumizer™ Foaming Shampoo is formulated with a natural plant based proprietary surfactant technology which creates an opposite acting polar electrical charge within each hair strand that actually pushes every hair follicle apart and important amino acid protein building blocks that enable horses to build strong structural and connective tissue proteins that are important for healthy hoof structure and growth omega fatty acids