The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

Both folate and folic acid relate to vitamin B-9, which plays a key role in preventing birth irregularities and aiding the production of healthy red blood cells. However, there are also key ...

Dear Doctors: I was surprised when a blood test at my annual checkup found I’m low in B vitamins, especially B12. My doctor gave me a shot, and the fatigue that I had been feeling went away. Why is ...

Medically reviewed by Lindsay Cook, PharmD The recommended intake of vitamin B12 for people older than 14 is 2.4 micrograms a day.  People who follow a vegetarian or vegan diet may need vitamin B12 ...

Medically reviewed by Leigh Weddle, PharmD Vitamin B12 and magnesium are essential nutrients for energy production, nervous ...

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