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.

The long-term effects of a Vitamin B12 deficiency in women include not only chronic tiredness but also a negative impact on blood and brain health ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: There’s not much research on B12 shots for weight loss. People with obesity tend … ...