Vitamin B is a group of water-soluble vitamins essential for energy production, brain function, and red blood cell formation.

“B12 refers to the individual vitamin, whereas B vitamins refer to the entire group that includes B12,” Gans says. So, if you ...

One of the first and most common signs of vitamin B12 deficiency is fatigue. Without enough B12, your body struggles to produce red blood cells.

B12 deficiency can elevate homocysteine levels, which is linked to an increased risk of heart diseases, high blood pressure, and other cardiovascular issues. Mouth ulcers, a swollen tongue, and ...

If you’ve been on a strict vegan or vegetarian diet for more than a few years, ask your doctor to check your levels of vitamin B12. A simple blood test can show if your levels are normal ...

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Expect to take a blood test to check your vitamin B12 levels before adding a supplement or shot. One of the best ways to maximize absorption is through proper gut health. Before trying ...

While vitamin B12 might not be as buzzy as calcium or an immediately recognizable household name like Vitamin C or D, it's just as important for your health—and particularly your brain health.

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