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Vitamin Deficiency & Hair Loss: Causes, Symptoms & Treatment Guide

Dr. Debatri Datta
Reviewed by Dr. Debatri Datta
MBBS, MD in Dermatology, Venereology & Leprosy
Written by : Dr. Debatri Datta
Updated on: November 5, 2025

Hair loss is a common concern that most of us complain about. While several factors contribute to hair loss, there’s one thing that is often overlooked. It is a poor diet. Lack of essential vitamins and minerals can affect your hair growth cycle, causing your hair to fall out more than usual. If you are wondering which vitamin deficiency causes hair loss, you have landed on the right page. In this exclusive article, we will discover the relation between vitamin deficiency and hair loss. Additionally, we will provide you with the symptoms to watch out for and the list of vitamins you should include in your diet. Let us get started. Read More

Does Vitamin Deficiency Cause Hair Loss?

Yes. Just like our body needs essential vitamins and minerals to function, so does our hair. These nutrients play a crucial role in your hair health, and any deficiency in these can affect your hair follicles that support your hair growth cycle. This triggers hair issues like hair thinning, brittle hair strands and excessive hair shedding. A healthy and nutrient-rich diet can promote healthy hair growth by supporting functions like protein synthesis (keratin), oxygen supply and maintaining scalp health.

Which Vitamin Deficiency Causes Hair Loss?

Now that you know vitamin deficiency causes hair loss, it is essential to be aware of which vitamin deficiency causes hair loss. Here is a list of vitamins that cause hair loss.

  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Vitamin E
  • Vitamin B6
  • Vitamin B12
  • Bitoin (B7)
  • Iron
  • Calcium
  • Magnesium
  • Folic Acid
  • Iodine
  • Zinc

What Are The Symptoms Of Hair Loss Due To A Vitamin Deficiency?

Among the many causes for hair loss, vitamin deficiency is one. To suspect if your hair loss is due to a vitamin deficiency, you must observe some symptoms. Here are the signs you need to look for to ascertain When you observe these signs and symptoms, do not delay. Visit a dermatologist at the earliest, who will determine if your hair loss is, indeed, caused by a vitamin deficiency.

  • Your hair becomes dry, brittle or loses its shine
  • You notice severe hair breakage and split ends
  • Your hair regrows at a slower rate
  • You notice excessive shedding of hair than usual
  • Your hair starts thinning
  • You notice patches on your scalp where hair is missing

How To Diagnose Hair Loss Due To Vitamin Deficiency?

When you consult a dermatologist for your hair loss concern, they will determine if a vitamin deficiency is the underlying cause. At Oliva, our expert dermatologists follow a holistic approach to identify the cause. They offer a unique V Discover protocol that includes hair and body analysis, along with a dermatologist and nutritionist consultation.

  • During the consultation, they will analyse your scalp condition with the help of trichoscan.
  • You may be asked to undergo some medical tests (blood tests) to diagnose if your hair loss is caused by vitamin or mineral deficiencies, hormonal imbalance, or scalp infections.
  • Based on this evaluation, they will customise a treatment plan along with nutritional advice to support your hair health.

Can Hair Loss Due To Vitamin Deficiency Be Reversed?

Yes, it is possible to reverse hair loss due to vitamin deficiency. It is achievable only through a nutrient-rich diet or supplements that help restore adequate nutrient levels in your body. Once this deficiency is corrected, your hair will start to regrow. Sometimes, you need more than a balanced diet. This is where a professional’s guidance is crucial. Consult a dermatologist who will recommend an effective solution to treat your hair loss condition.

How To Treat Hair Loss From Vitamin Deficiency?

At Oliva, after a detailed consultation with our expert dermatologist, you may be recommended the following hair loss treatments:

  • PRP Hair Loss Treatment:

Dermatologists may recommend PRP or Platelet-rich Plasma treatment for your vitamin deficiency-related hair loss. In this non-surgical hair loss treatment procedure, your doctor draws a blood sample from your arm to separate plasma and red blood cells using a double-spin centrifuge method. They activate the concentrated platelets with growth factors and then inject this platelet-rich plasma into the areas of your scalp that are affected by hair loss. This stimulates the dormant hair follicles, improves blood flow to your scalp and promotes natural hair regrowth.

  • QR678 Neo:

QR678 is another advanced hair growth treatment your dermatologist may recommend. This non-surgical treatment helps treat hair loss due to vitamin deficiency or hormonal imbalances. This treatment is similar to the PRP hair loss treatment, except that dermatologists do not use your blood sample. Instead, they use a biomimetic peptide solution with activated growth factors and inject it into the affected areas of your scalp directly using fine needles. The growth factors in the peptide solution stimulate inactive hair follicles on your scalp, prolong your hair growth cycle and encourage natural hair regrowth.

  • Medications:

Your dermatologist may also recommend oral or topical medications based on the severity of your hair loss.

In addition to the above hair loss treatment options, our dermatologists will provide individuals with a personalised haircare routine and nutritional guidance. This helps you achieve healthy hair growth.

Before & After Results Of Hair Loss Treatments At Oliva Clinics

Here are the before-and-after pictures of our clients who underwent successful hair loss treatments for vitamin deficiency at Oliva. Check out the transformation visible in these images.

 

Before Before
After After

Client Name : Narayana Shiva Shankar

Client ID: BGM06C4677

Before Before
After After

Client Name : Thirunavukarasu

Client ID: AW02C6260

Before Before
After After

Client Name : Chandhan

Client ID: 13548

Before Before
After After

Client Name : Florance

Client ID: Client.Id: SEC31T9820

Before Before
After After

Client Name : Shrikanth

Client ID: client-id-aw02c6873

Before Before
After After

Client Name : Priya Sri

Client ID: SEC02C24742

Before Before
After After

Client Name : Baby Ravi

Client ID: HS07C591

Before Before
After After

Client Name : Aditya

Client ID: KM02C3608

Before Before
After After

Client Name : Surya Shiva

Client ID: SEC02C27812

Before Before
After After

Client Name : Shalani

Client ID: SEC02C25775

Takeaway

Vitamin deficiency is one of the triggers for your hair loss. The good news is that it is treatable. Maintaining adequate nutritional levels and choosing an effective hair loss treatment can help reverse hair loss due to vitamin deficiency. If you are noticing hair loss and suspect vitamin deficiency, consult a dermatologist. Oliva has expert doctors who will diagnose the actual cause behind your hair loss and suggest a hair loss treatment plan tailored to your unique needs. Book your consultation today!

Frequently Asked Questions On Vitamin Deficiency Causes Hair Loss

Certain vitamins like biotin (Vitamin B7), Vitamins D and E can help boost your hair growth and strengthen your strands naturally.

Consuming a lot of hair vitamins can cause you side effects like nausea, hair shedding, or hormonal imbalance. Hence, it is always recommended to seek expert advice before taking them.

Deficiency in iron, zinc, and selenium can contribute to your hair thinning and hair fall.

Inadequate levels of Vitamin D, Biotin (B7), and B12 can contribute to hair loss in women.

You may have brittle nails, weak hair and hair thinning if there is a deficiency in Biotin (Vitamin B7) and iron.

If you notice your hair is dry, dull and prone to breakage, it may be due to a lack of vitamins A and E.

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