Key Benefits Provides 1,500 mg vitamin C. Vitamin C supports cells against oxidative stress. Zinc supports normal immune function. Includes citrus bioflavonoids and botanicals. Codeage Liposomal Vitamin C+ delivers 1,500 mg of vitamin C with 15 mg of zinc per serving. Vitamin C and zinc both contribute to the normal function of the immune system, while vitamin C also contributes to the protection of cells from oxidative stress and increases iron absorption.The formula includes a citrus bioflavonoid complex from grapefruit, lemon, and orange powders, together with quercetin, elderberry powder, rosehip extract, and alpha lipoic acid. These plant-based ingredients complement the vitamin and mineral content of the supplement.The nutrients are delivered in a liposomal format using non-GMO sunflower phospholipids. Codeage Liposomal Vitamin C+ is vegan, non-GMO, and free from gluten, soy, and dairy. Manufactured in a cGMP-certified facility in the USA with global ingredients.