Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin B12 supports energy, red blood cell formation, nerve ...

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 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 ...

Vitamin B12 supports red blood cells, nerve health, and DNA production, with adults needing about 2.4 micrograms daily. Shellfish like clams, oysters, and mussels are the richest sources, while dairy, ...

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 ...

If a person does not get enough vitamin B12, a doctor may suggest supplements containing more than the daily recommended dose. The body does not store excess vitamin B12, so taking extra is not ...

Vitamin B12 is found only in animal foods, but in good amounts. So unless you’re a vegan, chances are you’re getting plenty of it in your diet. Yet many older adults are deficient in the vitamin. Why?

You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may experience side effects like dizziness, nausea, and fatigue. It is possible to have elevated B12 ...

As you age, it is important to take care of your body more than you might have in your youth. There are certain necessary vitamins and minerals that with time, become harder for the body to process or ...

It’s normal to wonder if you’re meeting your nutritional needs if you’re feeling off in your day-to-day. Vitamin B12 should be on your radar, especially if you follow a plant-based diet. Eating a diet ...

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 the ...