Why your hair is falling: vitamins you might be missing

Anshika Saxena | Nov 24, 2025, 11:06 IST

In this article you will understand which vitamin deficiencies can cause hair loss and how they effect your scalp and hair health. It will also covers the most important vitamins for hair growth, signs of deficiency, natural food sources and when to see the doctor.


hair fall
Our hairs grow from tiny openings called hair follicles, to stay strong these follicles need vitamins, minerals, and proper blood flow

When your body get lacks of certain vitamins:

Vitamins in body
  • Hair roots become weak
  • Hair strands become thin
  • The growth cycle became slow
  • Falling stage of hairs comes early
This can cause:

  • More hair fall
  • Thinning hair
  • Slow hair regrowth
  • Dry or flaky scalp
Vitamin D deficiency

Vitamin D sources
Vitamin D deficiency is one of the most common reason for vitamin related hair loss,as it helps to create new hair follicles which are essential for healthy hair growth.

Symptoms includes thinning hair, dandruff, or dry scalp and feeling tired.

You can get vitamin D from sunlight, mushrooms, eggs, fortified milk, and fish like salmon.

Vitamin B12 deficiency

Vitamin B12 sources
Vitamin B12 supports healthy blood flow to the scalp, which helps keep your hair follicles working well, you don’t get enough vitamin B12, you might notice sudden hair fall, weakness, and pale skin.

Good sources of vitamin B12 are milk, eggs, fish, chicken, and fortified cereals. People who eat only vegetarian food are more likely to have a vitamin B12 deficiency.

Biotin (Vitamin B7) Deficiency

Biotin helps make hair stronger and stops it from breaking easily, If you have lack biotin, your hair may become thin and your nails may become breakable, Good sources of biotin are eggs, nuts, bananas, and whole grains, Taking enough biotin can help your hair grow thicker, stronger, and healthier by supporting keratin production, which is very important for hair strength and growth.

Vitamin E Deficiency

Vitamin E sources
Vitamin E protects hair follicles from damage by acting as an antioxidant, if you don’t have enough vitamin E, you may notice a dry scalp, dull hair, and split ends, good sources of vitamin E include almonds, sunflower seeds, spinach, and avocado, vitamin E helps keep your scalp healthy and may reduce hair loss by preventing damage from oxidative stress

Vitamin A Deficiency

Vitamin A sources
Vitamin A supports the production of natural oils (sebum) in the scalp, which keeps the scalp moisturized and hair healthy, If you have too little vitamin A, your scalp becomes dry, leading to itchiness and flakes, if you have too much, it can cause hair fall because it pushes hair follicles into the shedding phase too early, good sources of vitamin A include carrots, spinach, pumpkin, and sweet potatoes, vitamin A also helps scalp cells grow and repair, supporting healthy hair follicle function and hair growth.







Some other Nutrients
  • Iron: heavy hair fall
  • Zinc: dandruff, patchy loss
  • Protein: thin, weak hair
  • Omega-3: dry hair
When to See a Doctor

Doctor for scalp related issues
  • If you have hair fall for more than 2–3 months
  • Bald patches
  • Having sudden heavy shedding
  • Weakness or fatigue.
A doctor may test Vitamin D, B12, Iron, and Thyroid levels.

How to Fix Vitamin Deficiencies

  • Must have a balanced diet
  • Get 10–15 minutes of sunlight daily
  • Reduce stress
  • Avoid crash diets
Conclusion

Hair loss can happen because of a lack of vitamins, but it can also fixed. The main vitamins that help hair stay healthy are Vitamin D, B12, Biotin, Vitamin E, and Vitamin A. Eating a healthy diet and taking the right vitamins can reduce hair fall and help hair grow better. If hair fall does not stop, it is best to visit a doctor to find out the real cause.

Discover expert advice and the latest updates in Skin Care, Hair Care, Wellness, Dermatology, and more at Stay Young guide to lasting beauty and holistic health!

Frequently asked questions

Which vitamin need to stop hair fall?

How can I get 100% of my daily vitamins?

Is sunlight is good for hair loss?

What are the main causes of hair loss?

  1. Biotin (Vitamin B7) and other B-complex vitamins, such as B12, as re the some vitamins which help to stop the hairfall.
  2. From Fruits and vegetables, whole grains, beans and legumes, low-fat protein, and dairy products.
  3. Moderate sunlight is good for hairs because it helps the body to produce Vitamin D, which is essential for healthy hair follicles.
  4. Here are some reason that are the main cause of hair loss, genetics, hormonal changes, medical conditions like thyroid disorders and alopecia areata, and nutritional deficiencies.
Tags:
  • Hair
  • how to stop hairfall
  • stop hair fall
  • hair fall solution
  • hair fall treatment