Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.

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

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

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 ...

When it comes to essential nutrients, the B vitamins get a lot of attention—and rightfully so. The water-soluble vitamins help your body make energy from the food you eat and play an important role ...

Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...