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

Do you wake up feeling drained despite getting 9 hours of sleep? Maybe your body is lacking in vitamin B12. This essential ...

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 ...

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.

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 ...

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 ...