Medically reviewed by Amelia MacIntyre, DO Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy).

You cannot overdose on vitamin B12 since it is a water-soluble vitamin. skaman306/Getty Images You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may ...

Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss. One in particular, vitamin B12 supplements ...

ASK DOCTOR K Anthony L. Komaroff, M.D. DEAR DOCTOR K: My new doctor recently told me I had pernicious anemia, that it had not been diagnosed by my old doctor and that his treatments would end my ...

Vitamin B12 plays a key role in many aspects of health and may support your eyes, bones, and skin as well as your mind. Share on Pinterest Design by Jamie Herrmann Vitamin B12, also known as cobalamin ...

Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much vitamin B12 presence in your body.

Ever get that tingly feeling in your feet and hands? Are you a little more tired than usual? Unusually fatigued? Does even your brain feel drained? Have a migraine headache, too? It could be you're ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...

Vitamin B12 for weight loss: Does it work? Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss.