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The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss

New Hair Institute · 김진오의 뉴헤어 프로젝트 · February 17, 2025

Hair loss is no longer an unfamiliar problem. Especially for women, hair often falls out even when they maintain a balanced diet and healthy lifestyle. According to a recent study...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: New Hair Institute

Original post date: February 17, 2025

Translated at: April 29, 2026 at 2:36 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Hair loss is no longer an unfamiliar problem.

Especially for women, hair often falls out even when they maintain a balanced diet and healthy lifestyle.

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 1

According to a recent study by a research team at the Tashkent Medical Academy, it has been found that the more severe a vitamin D deficiency is, the greater the likelihood that hair loss will worsen.

The Relationship Between Vitamin D and Hair Loss

Vitamin D plays an important role in strengthening the immune system and helping cell growth and regeneration.

In particular, it also affects hair follicle cells in the scalp, contributing to the healthy maintenance of the hair growth cycle.

However, a lack of vitamin D can cause the following problems.

  • Hair follicles weaken and hair becomes thinner

  • The likelihood of hair loss progressing increases

  • The risk of scalp inflammation rises due to immune system imbalance

According to the study, a significant number of patients with diffuse hair loss had vitamin D deficiency,

and vitamin D supplementation showed a tendency to improve hair loss symptoms.

The researchers analyzed the effects of vitamin D supplementation therapy in 95 women aged 17 to 45.

  • Experimental group (50 people): Combination therapy including vitamin D3 capsules

  • Control group (45 people): Traditional treatment only

The results were as follows.

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 2

And after 8 weeks, what was the recovery rate of vitamin D levels?

  • Experimental group: 74% (37 people) returned to normal levels

  • Control group: 53.4% (24 people) returned to normal levels

Also, in the experimental group, 70% of patients showed clinical improvement in hair loss symptoms,

while only 46.6% improved in the control group.

How Should Vitamin D Be Supplemented?

The best way to supplement vitamin D is to get enough sunlight.

However, if you spend a lot of time indoors or frequently use sunscreen, it is necessary to obtain vitamin D through food and supplements.

Foods Rich in Vitamin D

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 3

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 4

  • Oily fish such as salmon and mackerel

  • Egg yolks

  • Mushrooms

  • Fortified milk and cereal

Points to Note When Choosing a Vitamin D Supplement

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 5

  • The D3 form is absorbed better in the body than D2

  • A daily intake of 1,000 to 2,000 IU is recommended (consultation with a doctor is essential)

  • It is even more effective when taken with calcium

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 6

The Link Revealed by Research Between Vitamin D and Treatment for Female Diffuse Hair Loss image 7

Through this study, it was confirmed that vitamin D deficiency is closely related to diffuse hair loss,

and that vitamin D supplementation may help alleviate hair loss.

If your hair is falling out a lot and has become weak,

don't simply dismiss it as stress or a genetic issue; it is necessary to check your vitamin D levels.

Now is the time for hairhair, Kim Jino.

Pilsaengsinmo (必生新毛).

[This post is written directly by the director for information-sharing purposes in accordance with Article 56, Paragraph 1 of the Medical Service Act. Hair loss surgery and treatment may have side effects, and you should make a careful decision through consultation with a specialist.]

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