Vitamin B12 is a nutrient that helps to keep the body's nerve and blood cells healthy and helps to make DNA, the genetic material in all cells. Vitamin B12 also helps to prevent a type of anemia called megaloblastic anemia that makes people tired and weak.
Dosage & Duration
You should be able to get all the vitamin B12 you need by eating a varied and balanced diet. If you take vitamin B12 supplements, do not take too much as this could be harmful. Taking 2mg or less a day of vitamin B12 in supplements is unlikely to cause any harm.
Vitamin B12 is needed to convert carbohydrates into glucose in the body, this helps energy production and decreases fatigue and lethargy in the body.
Vitamin B12 helps in healthy regulation of the nervous system, reducing depression, stress, and brain shrinkage.
Vitamin B12 helps maintain a healthy digestive system. It also protects against heart disease by curbing and improving unhealthy cholesterol levels, protecting against stroke and high blood pressure.
Vitamin B12 is essential for healthy skin, hair and nails. It helps in cell reproduction and constant renewal of the skin.
Vitamin B12 helps protect against cancer including breast, colon, lung and prostate cancer.