Available exclusively from Pure Encapsulations, PureResponse Multivitamin was designed to support key pivot points in immune function, including neutrophil and Natural Killer (NK) cell response, and cytokine production. This first-of-its kind, unique formulation supports healthy cell-mediated immunity with a comprehensive blend of nutrients and reishi mushroom extract. It also includes the adaptogen eleuthero to promote physiological balance and moderate occasional stress, including corticosterone activity, cytokine balance and nutrient metabolism. PureResponse Multivitamin features enhanced levels of fat-soluble vitamins, including pre-formed vitamin A, 125 mcg (5,000 IU) vitamin D3, vitamin E with mixed tocopherols, and both vitamin K1 and K2. To accommodate the needs of patients with self-tissue response, PureResponse Multivitamin is free from iron, copper, iodine and manganese.*As of 10/4/2019 among leading professional brands.