IF YOU KNOW anyone who's deficient in a B vitamin, you may see them taking a vitamin B-complex supplement. They're being touted as a cure to all your vitamin B related needs—but do you really need it?

What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

What Is Vitamin B Complex? Vitamin B complex is a supplement that contains eight B vitamins that perform important and related roles in your body’s cellular function. The vitamins that make up B ...

Our body needs a variety of different vitamins and minerals to thrive, including eight different B vitamins. And out of all of them, vitamin B12 might be the most popular. But what exactly is B12, and ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. On This Page B vitamins are called the “energy ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

Taking too much vitamin B6 can cause nerve damage and numbness in hands and feet. Niacin at high doses can cause flushing and ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...