Beneficial Effects of Vitamin B12 on Preventing Alzheimer’s

Water-soluble vitamin B12 is especially necessary for nervous system functions. Together with folic acid, it plays an important role in preventing birth defects. Again, it plays a role in preventing heart diseases and vascular occlusion with folic acid and vitamin B6. It is thought that it may have a protective role in Alzheimer’s disease as it increases the production of acetylcholine and regulates nerve conduction in the brain. Normal growth plays a positive role in development. It plays a therapeutic role in nerve damage. Used in the treatment of pernicious anemia. It prevents the symptoms of vitamin B12 deficiency that may occur in patients who have had a part of the gastrointestinal system surgically removed. It prevents the symptoms of vitamin B12 deficiency that may occur in vegetarians and patients with some malabsorption. It strengthens the immune system and nervous system.

They synthesize the DNA molecule and produce red blood cells.

In Which Foods is it Found?

Beneficial Effects of Vitamin B12 on Preventing Alzheimer's

Vitamin B12 should be taken with folic acid. It is found in abundance in liver, milk, egg whites, cheese, fish, meat and shrimp, and extremely small amounts in plants. Beef, beef liver, kidney, mussel, sole, herring, mackerel, sardines are foods that contain vitamin B12. Vegetables do not contain vitamin B12.

To find out more about foods that contain vitamin B12, in Which Foods Is Vitamin B12? You can read the contents.

What is Your Daily Need?

Beneficial Effects of Vitamin B12 on Preventing Alzheimer's

The daily requirement for women and men is 2 micrograms.

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What Does its Deficiency Cause?

Beneficial Effects of Vitamin B12 on Preventing Alzheimer's

Mental and neural functions may be impaired in vitamin B12 deficiencies and symptoms such as tinnitus and numbness are observed. It is the most important cause of depression in elderly people. As we age, our stomach acid, which is required for the absorption of vitamin B12, gradually decreases. The B12 requirement gradually increases in elderly people who lose the ability to absorb nutrients. For this reason, people over the age of 50 are recommended to take vitamin B12 excluding. Unlike other water-soluble vitamins, it can be stored in body tissues. Therefore, it may take years for deficiency symptoms to appear.

In severe vitamin B12 deficiency, chronic diseases occur in which nerve functions are impaired. As the age progresses, the incidence of vitamin B12 deficiency increases. Studies show that approximately 40% of people over the age of 65 have vitamin B12 deficiency. It is thought that some mental disorders and depression seen at these ages may occur because of this. It can give symptoms similar to Alzheimer’s disease, and mental impairment can become irreversible if the deficiency persists for many years.

Since vitamin B12 deficiency causes irreversible nerve damage, vegetarians who do not eat any of the animal products must also take vitamin B12. Mild B12 deficiency is very common. Symptoms such as lethargy, forgetfulness, getting up from bed in the mornings were found to be vitamin B12 deficient in 35% of HIV-positive people. Although its benefit has not been fully proven, vitamin B12 is added in the treatment of AIDS.

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The Harms of More

Although it is known that it is safe to take up to 100 micrograms daily, there is no information about the harmful effects of overdoses.


  • Mary M. Cameron

    Mary M. Cameron is a registered dietitian nutritionist with a Bachelor's degree in Nutrition Science from the University of California, Davis and a Master's degree in Public Health Nutrition from the University of California, Los Angeles (UCLA). With over 8 years of experience in the nutrition field, Mary is an expert in weight management, plant-based nutrition, and overall health and wellness. As an author at FitGAG, she shares her knowledge and expertise on a variety of topics, including nutrition plans, healthy recipes, and overall health and wellness tips. Mary believes that nutrition is the foundation of overall health and wellness, and she strives to inspire her readers to prioritize a balanced and varied diet, while also incorporating physical activity and self-care into their daily routines. Through her articles, Mary aims to empower her readers to make informed decisions about their nutrition and lifestyle choices, and to help them achieve their health and wellness goals.

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