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.

Vitamin B12 is essential for nerve function and red blood cell production, with daily needs varying by age, pregnancy status, ...

Vitamin B12 deficiency affects millions of people worldwide, yet it remains one of the most underdiagnosed nutritional deficiencies in modern medicine. This essential vitamin plays crucial roles in ...

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 ...

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

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

Vegan diets can increase the risk of vitamin B12 deficiency if not planned properly. A senior clinical dietician explains why ...

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.

While taking B12 on an empty stomach is generally safe, some mild side effects may occur. “A few people may have very mild side effects like nausea, stomach upset, bloating or a metallic taste. These ...