Description: Solgar’s Ester-C Immune Complex is a scientifically studied comprehensive immune support formula designed to help maintain immune system function year-round. It contains a unique form of vitamin C that is non-acidic and gentle on the stomach, as well as vitamins A, B6, B12, and D3, zinc, and botanicals including elderberry, echinacea, and astragalus. The vitamins and zinc in this formula contribute to the normal function of the immune system and response to inflammation. Once taken, Ester-C® is retained in white blood cells for up to 24 hours—twice as long as standard ascorbic acid. Easy-to-swallow softgels. How to take Ester-C Immune Complex? It is recommended to take 2 softgels daily. Warnings: Consult a physician if you are pregnant, breastfeeding, or taking any other therapy. Storage: Keep at room temperature. Composition: Per 1 softgel