The Power of Tonic Vegetables in Enhancing Immunity As well as antioxidants, Tonic Greens is full of supplements and minerals needed for immune health. Supplement D, a well-known immune enhancement, is among the major ingredients. It helps the production of bright body cells, which are critical for fighting infections. Along side tonic greens, Tonic Vegetables contains vitamin E, which works synergistically with vitamin C to improve resistant...