NSC-100 Beta Glucan Extra Strength Formula 10 mg enhances macrophage immune cells which nutritionally supports activation of the immune response. Naturally derived nutritional supplement. Pharmaceutical Grade Enhanced and undiluted Beta-1/3 1/6-glucan derived from Bakers yeast cell wall. Beta-1/3 1/6-Glucan. 10mg* (%U.S.Recommended Daily Allowance) (*U.S.Recommended Daily Allowance not established). 1-2 capsules per day. Take 30 minutes before meal.