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

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

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.

Maximizing Vitamin B12 benefits hinges on optimal intake timing and methods. Experts suggest taking B12 supplements on an empty stomach, ideally in the morning, about 30 minutes before breakfast. This ...

Vitamin B12 plays a crucial role in the health and performance of the body. With this knowledge, people often reach for supplements at the drugstore. But how much Vitamin B12 do we actually need, and ...

Jessica is a former writer and editor at Forbes Health with over a decade of experience in both lifestyle and clinical health topics. Before Forbes Health, Jessica was an editor for Healthline Media, ...