Around 15% of the US population is deficient in B12, which can cause them to feel fatigued, irritable, and constipated.

Doctors prescribe vitamin B12 shots for people with a B12 deficiency or those with an underlying condition that inteferes with proper B12 absorption.

A vitamin B12 deficiency can cause cognitive issues, muscle weakness and other problems. Here's how to make sure you're ...

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much ...

Vitamin B12 is an essential nutrient that's often overlooked. Also known as cobalamin, vitamin B12 helps your body produce vital red blood cells and boost your energy levels, among other things.

Vitamin B12 is an essential component that helps your body make red blood cells and DNA. Although vitamin B12 deficiency is ...

Does it work? Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight ...

Low-normal B12 in older adults was tied to slower processing, cognitive decline, and brain damage. Scientists warn current ...