Natures Aid Beta Glucans Immune Support+ Tablets Are Expertly Formulated To Enhance The Body'S Immune System With A Blend Of Essential Vitamins And Minerals. The Combination Of Beta Glucans With Vitamin A, Vitamin D, Vitamin C, Zinc, Copper, And Selenium Ensures Comprehensive Immune Support For Daily Health Maintenance. Active Ingredients: Beta Glucans (1,3/1,6) – 150 Mg Vitamin A – 800 Mcg (Retinol Equivalent) Vitamin D3 – 1000 Iu (25 Mcg) Vitamin C – 200 Mg Zinc – 10 Mg Copper – 0.5 Mg Selenium – 55 Mcg