VACCINE - A substance that, when administered, produces an immune response that leads to the prevention, amelioration or treatment of disease.
VITAMIN D - Any one of several fat-soluble compounds, known collectively as calciferol. Among other functions, Vitamin D stimulates bone mineralization. Vitamin D may decrease the proliferative activity of prostate cancer cells.
VITAMIN E - A fat-soluble vitamin, known as alpha-tocopherol. Vitamin E acts as an antioxidant.