High Strength Vitamin C 1000mg Tablets. MULTIVITAMIN 1000MG Tablets. Immune + Elderberry. Ingredients: Bulking Agents (Microcrystalline Cellulose), L-Ascorbic Acid, Copper Sulphate, Magnesium Oxide, Zinc Oxide, Elderberry Fruit Extract, Flavonoid Complex of Hesperidin, Anti-Caking Agent (Magnesium Stearate, Silicon Dioxide), Polyvinyl Pyrrolidone, Polyvinlypolypy rrolidone.