Guardion Health Sciences is a clinical nutrition company that develops and distributes clinically supported nutrition, medical foods and dietary supplements. Co.'s subsidiary, Activ Nutritional, LLC (Viactiv), owns and distributes the Viactiv® line of supplements for bone health, immune health and other applications. The Viactiv line of supplements contains several flavored nutritional supplement products, but the milk chocolate and caramel flavored calcium chews constitute the main product category. Co. also sells Lumega-Z, its medical food product that has a formula designed to replenish and restore the macular protective pigment, simultaneously delivering nutrients to the eye.