This essential vitamin is generally considered safe, even at high doses. However, most people get enough B12 through diet alone, and unnecessary supplementing may lead to negative side effects.

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

Spring Valley Sublingual Vitamin B12 Microlozenges, 500 mcg, 200 Count - Vitamin B12 supplements help with the formation of blood cells B12 vitamins are essential for energy support by aiding in the ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...

Eating eggs can help you meet your daily B12 needs, but several foods provide significantly more vitamin B12 per serving.

Vitamin B12 is one of the essential vitamins for the human body. It helps in producing red blood cells and DNA, promotes healthy nerve function and supports the immune system. As per FDA, the ...

Vitamin B12, or cobalamin, is crucial for several essential functions in the body. It plays a key role in the formation of red blood cells, aiding in the prevention of anemia and supporting oxygen ...

Dear Dr. Roach: I am 73, and I was worried about dementia. Turns out, I am "normal." However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin has 100 mcg, which is 4,167% of ...

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...