Medically reviewed by Karina Tolentino, RD B vitamins (also known as vitamin B complex) are a group of eight essential ...

Medically reviewed by Jamie Johnson, RDN Taking vitamins is usually good for your health, but is it possible to take too much? The answer is yes. While vitamin B complex plays a role in energy, brain ...

If you're dealing with a B12 deficiency or simply struggling to get enough of the essential vitamin in your diet, B12 supplements can help. These are the benefits and potential risks to know.

Not all vitamin B12 supplements are created equal, and recent scientific advances have focused on improving the quality and bioavailability of B12. Methylcobalamin, the active form of vitamin B12 ...

Vitamin B12 does also accumulate in a few plant-based sources, including some mushrooms, seaweed, and nutritional yeast, but ...

Dear Doctors: I was surprised when a blood test at my annual checkup found I’m low in B vitamins, especially B12. My doctor gave me a shot, and the fatigue that I had been feeling went away. Why is ...

Vitamin B12 can be found in multivitamins, B-complex supplements, and by itself in a B12 supplement, which are available in many natural and synthetic forms including cyanocobalamin and ...