Michel Vaillant Hoof And Joint Supplement Vermicelli Biotin Feet And FlexA vermicelli dietary supplement combining 2 actions. Optimises hoof growth and horn quality through the supply of vitamin H (biotin). Protects joints while improving their flexibility through the supply of glucosamine and chondroitin. Biotin stimulates the growth of healthy horn in cases of soft, fragile or brittle hooves, cracks, white line disease, and ringed feet. Biotin improves the growth and maintenance of epidermal tissue in cases of dry skin