Medically reviewed by Jonathan Purtell, RDN Vitamin B12 helps your body make red blood cells, produce energy, and keep your brain and nerves healthy, but you have to get it from food or supplements.

Medically reviewed by Ashley Baumohl, RD Foods with the most vitamin B12 include shellfish, seafood, seaweed, fortified cereals, and nutritional yeast. Top Food Sources of Vitamin ...

One to try: Solgar Vitamin B12 100 mcg. (Buy from iHerb.com, $6.17). Read on to discover how shortfalls in vital nutrients and hormones can impact your health — and how to fix them: ...

The absorption of vitamin B12 is about 2% at doses of 500 mcg or 1.3% at a dose of 1,000 mcg. Therefore, if someone consumes vitamin B12 less frequently, they will need a higher total amount to ...

Though doses of up to 2,000 mcg of vitamin B12 are considered safe, it’s best to speak with a doctor to find out whether taking a supplement is necessary. Most people can fulfill their B12 needs ...

We highly recommend Nature Made Vitamin B12 500 mcg supplement for seniors who want to support their energy metabolism. Pros. These Vitamin B12 tablets help break down food into energy that can be ...

Vitamin B12 is considered something of a hot health supplement — especially since COVID-19. In fact, a recent study conducted in Singapore that examined how B vitamins might help alleviate ...

Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.

As well, vegans who don't add B12 fortified foods to their daily diet should take a multivitamin with 5 to 10 mcg of B12. Vitamin B12 supplements are also available.

Many vitamin B12 supplements contain much more of the vitamin than the body needs. ... During pregnancy, the RDA of vitamin B12 is 2.6 mcg. A female needs 2.8 mcg during lactation.