Allergic reactions to vitamin B12 are rare, but real. The reason may sound strange, but it's true - an allergy to cobalt.

Should you take a vitamin B complex supplement with all eight B vitamins or a supplement with B12 alone? This article helps ...

He also claims, "These facilities that actually compound this B12 ... They are referencing using the cyanocobalamin form of ...

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. Sean ...

A Vitamin B12 is what is known as an essential nutrient. That means two things: First, an essential nutrient is a chemical compound that is crucial to the proper functioning of the body ...

Vitamin B12 is essential for energy, brain function, and red blood cell production. If you’re a vegetarian, getting enough vitamin B12 may seem challenging, but it’s not impossible.

Dr. Eric Verdin studies the biology of aging and how our lifestyle can extend our quality of life. Vitamin D is among the ...

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 ...

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.