Vitamin B12 is an essential vitamin. This means that the body requires vitamin B12 to work properly.
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. It can be found in foods such as meat, fish, and dairy products.
It can also be made in a laboratory. It is often taken in combination with other B vitamins.
Vitamin B12 also helps prevent a types of anaemia that makes people tired and weak.
It affects the production of white blood cells. These cells are essential in fighting off infections and keeping your immune system in good working order. If you find yourself getting sick more often than usual or having allergies where you previously had none, you may need a B12 shot.
Research suggests that vitamin B12 deficiency affects a greater number of older adults than those under the age of 65. The Institute of Medicine recommends that adults over 50 meet their vitamin B12 needs with B12 shots. Vitamin B12 is considered safe, even in large doses.
Information on this site is provided for informational purposes only. The information provided is not meant to substitute the advice provided by your own physician or other medical professional. The information provided has been collected from other sources to inform you about the possible benefits of specific services. You should not use the information contained herein for diagnosing or treating a health problem or disease.
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