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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While vitamin B12 might not be as buzzy as calcium or an immediately recognizable household name like ...

A neurologist explains how common medications can cause vitamin B12 deficiency, damage nerves over time, and trigger numbness ...

Brits plagued by forgetfulness are being told to get their vitamin levels checked, as running low on a crucial nutrient can ...

Vitamin B12 deficiency affects about 15% to 50% of the Indian population. Here are the signs you need to be aware of and what to do when you are deficient.

Vitamin B12 Level: What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels of this nutrient in the body. Vitamin B12 is a vital ...

Vitamin B12 deficiency can affect red blood cells, metabolism, and nerve health. Learn to recognize common deficiency ...

Medically reviewed by Jillian Foglesong Stabile MD, FAAFP, DABOM — Written by Kaylea Swearingen, PharmD  Key takeaways Mounjaro is a prescription drug that is used to help manage blood sugar levels in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While vitamin B12 might not be as buzzy as calcium or an immediately recognizable household name like ...