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 ...

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 ...

For several months during the summer of 2022, my dog Scout vomited at 3 a.m. nearly every day. If you have a dog, you know the sound. And each time, she gobbled up her mess before I could get to it, ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

Vitamin B12 supplements may help treat certain symptoms of kidney disease. They can assist in preventing anemia and may also treat vitamin B12 deficiencies, which are common in people with kidney ...

Vitamin B12 is a key building block for the brain, and evidence suggests that vitamin B12 deficiency is linked with treatment-resistant depression, anxiety, panic disorder, and even cognitive decline ...

Acute pancreatitis (AP), which affects people of all ages, is one of the leading causes of hospital admission due to gastrointestinal diseases. Approximately 20% of patients develop moderate or severe ...

Constant tiredness can be easily dismissed, but I discovered that my exhaustion was caused by a common vitamin deficiency.

Vitamin D3 and B12 deficiencies are often ignored but can affect bones, nerves, immunity, and energy. A doctor explains why ...

If you're experiencing persistent tiredness, you might attribute it to staying up too late. However, it could be a sign you ...