Ester-C Immun C-D-Z contains vitamin C from Ester-C, which is an acid-neutral calcium ascorbate that is stored in the body's cells for 24 hours. The tablet also contains vitamin D3 and zinc, which together with vitamin C contribute to a strengthened immune system.
Ester-C is a patented vitamin C with proven effective absorption. Ester-C has been shown to be active in the body's cells for up to 24 hours.
Vitamin C (calcium ascorbate), bulking agent (microcrystalline cellulose, cross-linked sodium carboxymethyl cellulose), zinc (zinc citrate), stabilizer (magnesium salts of vegetable fatty acids), anti-caking agent (silica), Vitamin D (cholecalciferol).