People who don’t get enough vitamin B12 through their diets may need a supplement to fill the gap. Here’s how much to take.

Add Yahoo as a preferred source to see more of our stories on Google. Registered dietitians explain what vitamin B12 is, how much you need, and the potential side effects of taking too much. Vitamins ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including ...

If you're a vegan or vegetarian and don't eat meat, seafood or dairy products, chances are you may have been told to pay attention to your vitamin B12 levels. That's because these types of foods are ...