Vitamin B12

In your diet - meat, fish, and dairy products

Why you need it - Vitamin B12 is required for the proper function and development of the brain, nerves, blood cells, and many other parts of the body.

Uses - for memory loss; Alzheimer’s disease; boosting mood, energy, concentration and the immune system; and slowing aging. It is also used for heart disease, lowering high homocysteine levels (which may contribute to heart disease), male infertility, diabetes, sleep disorders, depression, mental disorders, weak bones (osteoporosis), swollen tendons, AIDS, inflammatory bowel disease, asthma, allergies, a skin disease called vitiligo, preventing cervical and other cancers, and skin infections.