Dr Funk Immune Edition is an all-new, great-tasting, zero calorie vitamin water. Named after the biochemist who discovered vitamins, Dr Funk is Made to be Good. We've added Zinc and Vitamins C, D3, B6, B12, Niacin and Biotin to deliciously refreshing and clean tasting natural lemon and elderflower to boost your immune system and help your body maintain peak functionality. No added sugar; no artificial flavouring or colourings; no preservatives. And with just 3 calories per 330ml can, Dr Funk changes the way you enjoy your drinks, stay healthy and get your vitamins. In fact, it's just what the Doctor ordered.