Why your hair is falling: vitamins you might be missing
Anshika Saxena | Nov 24, 2025, 11:06 IST
Hairfall Problem
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.
Highlights
- Lack of some vitamins can weaken the hair roots and increase the hair fall
- Common deficiencies are connected with hair loss: Vitamin B12, Vitamin D, Biotin, Vitamin E, and Vitamin A
- Proper balanced diet also effect the or improve the hair growth
- Blood test can confirm the vitamins deficiencies
- Any medicine or supplements should be taken after the doctor's advice
hair fall
When your body get lacks of certain vitamins:
Vitamins in body
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- Hair roots become weak
- Hair strands become thin
- The growth cycle became slow
- Falling stage of hairs comes early
- More hair fall
- Thinning hair
- Slow hair regrowth
- Dry or flaky scalp
Vitamin D sources
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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
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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
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Vitamin A Deficiency
Vitamin A sources
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Some other Nutrients
- Iron: heavy hair fall
- Zinc: dandruff, patchy loss
- Protein: thin, weak hair
- Omega-3: dry hair
Doctor for scalp related issues
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- If you have hair fall for more than 2–3 months
- Bald patches
- Having sudden heavy shedding
- Weakness or fatigue.
How to Fix Vitamin Deficiencies
- Must have a balanced diet
- Get 10–15 minutes of sunlight daily
- Reduce stress
- Avoid crash diets
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.
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Frequently asked questions
- Which vitamin need to
stop hair fall ?
Biotin (Vitamin B7) and other B-complex vitamins, such as B12, as re the some vitamins which help to stop the hairfall. - How can I get 100% of my daily vitamins?
From Fruits and vegetables, whole grains, beans and legumes, low-fat protein, and dairy products. - Is sunlight is good for hair loss?
Moderate sunlight is good for hairs because it helps the body to produce Vitamin D, which is essential for healthy hair follicles. - What are the main causes of hair loss?
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.