Vitamin B12 deficiency: four obvious signs on the human body

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Vitamin B12 helps maintain the health of the nervous system, blood, participates in the formation of DNA and is necessary for maintaining brain activity. Scientists have described what symptoms on the human body may indicate a deficiency of this substance.

The human body is not able to produce B12 on its own, it receives it only from the outside – with food or supplements. A low level of the vitamin for a long time can lead to mental illness or pathologies of the spinal cord and brain. According to Dr. Rajendran Kannan's research, the four main signs of vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular cheilitis, and hair loss.

Hyperpigmentation

With a deficiency of vitamin B12 and under the influence of sunlight, the skin becomes more prone to pigmentation. The reason lies in the formation of deposits of melanin, a pigment that gives the skin a healthy color, writes the Express publication. Areas of darkened skin can appear on any part of the body, including the face.

Vitiligo

With hyperpigmentation, the skin darkens, with vitiligo, on the contrary – pale. With vitiligo, large white spots can be found on the skin. They can form on the hands, neck or face.

Angular cheilitis

This sign is expressed in painful and unaesthetic lesions in the corners of the mouth. This can be redness, swelling or bleeding.

Hair loss

Scientists say that vitamin B12 deficiency is the most common cause of hair thinning. Due to the lack of the substance, hair follicles cease to be normally supplied with oxygen, which leads to weakening and subsequent hair loss.

If you notice symptoms of vitamin B12 deficiency, you should consult a doctor. The specified symptoms do not necessarily indicate this particular problem, so only a specialist can establish the exact cause.