Vitamin B12 deficiency: nail symptoms may include blue, black, or wavy streaks


Vitamin B12 or B9 deficiency anemia (commonly known as folate) occurs when a lack of vitamin B12 or folate causes the body to produce abnormally large red blood cells that cannot function properly. Red blood cells carry oxygen around the body with the help of a substance called hemoglobin. Vitamin B12 and folate perform several important functions in the body, including keeping the nervous system healthy. When the body lacks this vital nutrient, a variety of unusual disorders or symptoms can develop, including those particular colors on your nails.

One study looked at how a vitamin B12 deficiency can cause changes seen in your nails.

“Vitamin B12, also known as cobalamin, is a water-soluble vitamin that is important in the hematological and nervous systems, and it has a complex relationship with the skin,” the study began.

He continued, “Altered levels of cobalamin can lead to dermatological manifestations, which may indicate a deficiency or excess of this vitamin.

“Skin manifestations of cobalamin deficiency include hyperpigmentation (most commonly); hair and nail changes; and oral changes, including glossitis.

“In addition, several skin conditions, including vitiligo, aphthous stomatitis, atopic dermatitis and acne, are linked to cobalamin excess or deficiency.”


What are the skin lesions?

Skin damage occurs when part of the skin is growing or looking abnormal in relation to the skin around it.

As vitamin B12 promotes healthy skin, lack of vitamin could create these abnormal skin lesions.

Given the role of vitamin B12 in cell production, adequate levels of this vitamin are needed to promote healthy skin.

To prevent deficiencies, adults need 2.4 mcg of vitamin B12 and 400 mcg of folate per day, although pregnant women have an increased need.

Folate is found in dark green vegetables, citrus fruits, beans, peas, lentils, nuts, seeds, and avocado.

On the other hand, B12 is mainly found in foods of animal origin, such as meat, poultry, fish, eggs and dairy products, although it can be fortified in other foods and drinks. .

Some people may be required to take vitamin B12 supplements or have vitamin B12 injections.

If you think you are vitamin B12 deficient, it is important to talk to your GP who will recommend the best treatment option for you.

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