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Which vitamin deficiency causes hair loss?

Hair loss is a condition when the hairs get reduced on a person’s scalp. When the hairs are lost then it can be easily noticed by people.

We know that our hair is one of the most important parts of our body, as it provides us protection against harmful sun rays. The hair grows and falls on its own, but when it becomes thin then the condition of the hair becomes very bad.

In this condition, the hairs are shorter than usual, and sometimes they also fall out. The hair loss condition occurs due to different reasons. Some of the reasons are: The amount of vitamins and minerals in the body is low. This makes the hair to fall. Some conditions may cause hair loss.

Here is the list of vitamin deficiencies that cause hair loss.

Vitamin B12

Vitamin B12 helps the body to produce red blood cells. These cells are essential for proper oxygen transport in the body. It is necessary for the growth of healthy hair. A lack of vitamin B12 leads to problems with the metabolism of DNA. This results in the reduction of hair growth. Lack of vitamin B12 leads to various health problems as well.

A lack of vitamin B12 can result in hair loss. The vitamin is found in meat, dairy products, fish, and eggs. Vegetarians cannot get vitamin B12 from plants. It is a fat-soluble vitamin. You can get it in supplement form as well.

Vitamin A

The deficiency of vitamin A can cause the loss of hair in both men and women. If you have a vitamin A deficiency then you will notice hair loss and an itchy scalp. You should use a vitamin A supplement.

Vitamin D

Vitamin D is an essential part of the body and is needed for bone development. But in the absence of vitamin D, it may affect hair growth. If you are facing any problems like hair fall, baldness, dry hair etc. then it is necessary to take a vitamin D supplement.

Vitamin C

This vitamin is also known as ascorbic acid. It is a water-soluble vitamin that is used for maintaining the collagen in our body. The deficiency of this vitamin can cause hair loss. In case of a deficiency of vitamin C, you will notice dry and brittle hair. You can get a vitamin C supplement from the market.

Vitamin K

When it comes to vitamins then it is best to take a supplement that contains vitamin K. Vitamin K is a natural antioxidant that helps in keeping the hair healthy.


If you are facing any of the above-mentioned vitamin deficiencies then you must take a blood test and a vitamin supplement. It will definitely help you to get your lost hair back.


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