Find out what vitamin deficiency causes alopecia areata (hair fall) and does hair lose from vitamin deficiency grow back

Lack of vitamin causes hair lose and there are different foods that fulfill these vitamins. Also know about complete detail on “Can nutritional deficiency causes hair lose”.

Posted by Rukhma Khalid on September 27, 2022

Which vitamin is lacking for hair loss:

Vitamin D cause Alopecia.It is another name for hair loss, also known as spot baldness. Alopecia causes bald patches on the scalp and other body parts. Hair loss can occur due to many reasons: such as medication, stress, genetics, and hormones. A low level of vitamin D also causes hair loss. and also stimulates growth and forms new hair follicles.

The primary source of it is the sun but you can also take it from dietary supplements and different foods. It causes alopecia and other health condition like softening of bone, low bone density, osteoarthritis, and heart disease. Women ages 18 to 45 experienced hair loss due to deficiency of it. Spending more time indoors cause a low level of Vitamin D.

What vitamin deficiency causes hair lose and dry skin

Deficiency of which vitamin causes hair lose:

It stimulates new and old hair follicles. It is metabolized by the keratinocytes of skin cells (process keratin in nails and hair). When you have a low level of vitamin D, keratinocytes in hair follicles do not maintain the growth of hair.

It is one of the most common causes of hair loss and thinning of hair in both genders. In 2016 the International Journal of Trichology tells that women have more deficiencies than younger people.

In 2017 The International Journal of Molecular Science tells that a low level of this is dangerous. And cause excess hair shedding, Alopecia areata, and female pattern of hair loss.In 2019 The Indian dermatology Online Journal studies that deficiency could worsen the hair loss process.

Effects of vitamin D on hair:

It affects hair and skin both. It creates new hair follicles; hair follicles are small pores from where new hair grows. Follicles maintain the thickness of hair and prevent the premature falling of hair.

Sources of Vitamin D:

Vitamin D supplements

Vitamin D is a fat-soluble vitamin; take it during mealtime for proper absorption. Multivitamin includes a 400 IU quantity of vitamin D, which is below the recommended, body need. You should take it into your diet on daily basis. The doctor takes a vitamin D test and checks its level. If the level of this vitamin is low then a high prescription is recommended by a doctor. Some supplements are taken daily, some weekly, and some monthly. Endocrine society tells us, that adults 19 to 55 years aged take 600IU and 800 IU supplements on daily basis. Breastfeeding babies also need it through mother’s milk. A microgram of Vitamin D is equal to 40 IU.

Food rich in Vitamin D:

It receptors restore hair growth and produce new hair follicles. In 2014 molecular endocrinology founds that after introducing its receptors hair re-grows in two weeks. Anecdotal evidence shows hair grows in two months after treatment.The most effective way to fulfill the need is to take supplements. But some animal product food is also used as a source. Such as:

  1. Egg yolk
  2. Cheese
  3. Beef liver
  4. Some fish like salmonEgg yolk
Lack of which vitamin causes hair lose

You can also boost your nutrient level by increasing the amount of time spent in the Sun for mild deficiency. It is very important to wear sunscreen.Some plant-based fortified food also contains an adequate amount of Vitamin D. Such as:

  1. Fortified Soya milk
  2. Mushrooms
  3. Fortified cereals
  4. Fortified orange juice
  5. Fortified rice milk

Fortified Soya milk:

A cup of soya milk fortified with vitamin D contains 116 IU. If it is not fortified, the amount of vitamin D is very small.


It contains a significant amount of vitamin D-2, while animal product contains vitamin D-3. When it grows in dark it may not contain a significant amount of this vitamin.

Fortified cereals:

Much fortified oatmeal and breakfast cereals contain it. Amount of vitamins varies in brands, it ranges from 8 to 100 IU per serving.

Fortified orange juice:

Juices that are fortified mostly contain 100 IU per serving.

Fortified rice milk:

Rice milk that is fortified contains 96 IU per serving and also contains Vitamin A and vitamin B-12.

What nutrient deficiency causes hair lose

Sun Exposure:

When you move outside in sun, your body converts cholesterol into Vitamin D. 10 to 30 minutes for most people is enough to step out in Sun. Darker skin people need more time in Sun as compared to light skin people to fulfill the need. If you spend much more time in the sun, it can damage your skin. It causes sunburn and also increases the chance of skin cancer

Why do we need Sun?

It helps our body to absorb calcium and phosphorous from food. These minerals help in maintaining the healthy bones of the body. If a person has a deficiency of these minerals then he is at risk of brittle and weak bones.

Its deficiency causes autoimmune disorders and infections. That tells that your immune system also needs it for proper functioning. This vitamin deficiency also causes depression in many people.Some evidence proves that it also helps to prevent cancer and heart disease.

Can nutrients deficiency causes hair fall reverse back?

Yes. it is available in different forms for example pills, the form or creams like calcipotriol. Both these things help us in treating hair loss. Its supplements are more helpful in controlling hair loss, they contain it and other key nutrients such as biotin, vitamin C, iron, etc. To maintain vitamin D deficiency ones should take supplements on daily basis, some people required even 5000IU supplements.

When you have alopecia (an autoimmune disorder), it is best to visit a doctor. Treatment for this autoimmune disorder includes different creams and steroid injections.

Risk Factor:

Taking too much can cause some side effects in the body for example

  1. Nausea
  2. Vomiting
  3. Weight loss
  4. Weakness
  5. Constipation
  6. Loss of hunger