If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

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.

What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...