No. 1 pharmacist recommended vitamin & supplement brand. Clinically proven epicor supports a healthy immune response. Support respiratory wellness. 3-in-1 blend. Advanced immune support: Epicor + vitamin D3 + Vitamin C. Made to our guaranteed purity and potency standards. Based on a survey of pharmacists who recommend branded vitamins and supplements. Advanced immune support. A triple actin immune blend designed to support respiratory tract wellness, a healthy immune response, and nasal health. Epicor: Clinically proven postbiotic helps support respiratory wellness. Vitamin C: Helps support the immune system and neutralize free radicals in the body. Vitamin D3: Helps support a healthy immune response. Blended with Purpose: Nature Made Wellblends are crafted using a blend of ingredients that are scientifically designed to support your body's health. No color added. No artificial sweeteners. 100% drug-free.