This article was reviewed by Lynn Marie Morski, MD, JD. There’s not much research on B12 shots for weight loss. People with obesity tend to have lower vitamin B12 levels, but it’s unclear if B12 shots ...

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 ...

Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy). Some research suggests that people ...

Vitamin B12 is essential for nerve function and red blood cell production, with daily needs varying by age, pregnancy status, and health. While most people get enough from animal-based foods, older ...

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 ...