Natural Source Vitamins A & D

PhysioLogics’ Natural Source Vitamins A & D is derived from fish liver oil. Vitamins A & D are both important for immune function - Vitamin D promotes the synthesis of mononuclear cells and helps to regulate T and B lymphocytes, Vitamin A is believed to help regulate immune response elements such as immunoglobulins and natural killer cells.* Vitamins A & D also provide support for healthy bones and teeth.*