Hair loss is a common phenomenon and can be caused by many different factors, ranging from seasonal hair shedding and intense stress to inadequate intake of certain nutrients.

If you are looking for the best vitamins for hair loss, it is important to know that there is no single vitamin that works for everyone. Adequate intake of protein, vitamins, and minerals provides the foundation for the normal growth and maintenance of hair.

What are the best vitamins for hair that is falling out?

The most important nutritional factors associated with hair health include iron, vitamin D, zinc, biotin, and adequate protein intake. However, supplements are most meaningful when there is an actual deficiency or an increased need.

Iron

Iron is essential for transporting oxygen to the tissues, and iron deficiency may be accompanied by hair loss. Particular attention is needed in women with heavy menstrual periods, as well as in people with inadequate dietary iron intake.

If a deficiency is suspected, evaluation by a doctor and appropriate blood tests are preferable to taking a supplement without medical guidance.

Vitamin D

Vitamin D is involved in many bodily functions and has been extensively studied in relation to various forms of alopecia. A recent systematic review and meta-analysis found a high prevalence of vitamin D deficiency in people with various types of alopecia, including female hair loss and telogen effluvium. However, an association alone does not prove that taking vitamin D will stop hair loss.

Learn more: How Long Should You Take Vitamins D, C, E, and B12?

Zinc

Zinc contributes to the normal functioning and renewal of cells. Zinc deficiency has been associated with hair loss, while correcting the deficiency may help when it is part of the underlying cause.

This does not mean that taking high doses of zinc will result in increased hair growth for everyone.

Biotin

Biotin, also known as vitamin B7, contributes to the normal metabolism of carbohydrates, fats, and proteins. Severe biotin deficiency can cause hair thinning or hair loss, but deficiency is rare in healthy people who follow a varied diet.

Nevertheless, the scientific evidence supporting the idea that taking biotin in people with a deficiency improves hair growth is not of high quality.

Vitamin C

Vitamin C is not considered a specific “hair loss vitamin.” However, it is important for the normal synthesis of collagen and enhances the absorption of non-heme iron from plant-based foods.

Therefore, a diet rich in fruits and vegetables may indirectly contribute to adequate intake of nutrients needed for normal hair growth.

Protein

Hair is largely made up of keratin, a protein. Therefore, adequate protein intake is essential for normal hair growth.

Very restrictive diets, sudden weight loss, or inadequate protein intake can contribute to hair loss. Inadequate protein and iron intake are among the nutritional factors that can lead to noticeable hair loss.

Which vitamin strengthens hair and prevents hair loss?

There is no single vitamin that strengthens hair and prevents hair loss in everyone. Biotin, iron, zinc, and vitamin D play an important role when a deficiency is present, but taking them without a documented need has no proven benefit for everyone. The first step is to identify the cause of hair loss.

Hair loss can have many causes. Genetics, hormonal changes, thyroid disorders, certain medications, intense stress, significant weight loss, and nutritional deficiencies can affect the hair growth cycle.

That is why treatment should be individualized.

Vitamins for hair loss in women: What changes?

In women, hair loss may be associated with factors such as iron deficiency, hormonal changes, pregnancy and the postpartum period, sudden weight loss, or certain medical conditions. Therefore, there is no single specific “vitamin for hair loss in women” that is suitable for everyone.

Iron is of particular interest in women of reproductive age, especially when there is increased blood loss. At the same time, vitamin D and zinc have been studied in relation to different forms of hair loss.

If you notice sudden or significant hair loss, it is preferable not to start taking supplements on your own. A doctor or dermatologist can assess the cause and, when necessary, request blood tests for iron, vitamins, or other markers.

The best supplements for hair loss

Dietary supplements can be useful when they address a genuine nutritional need. However, they do not replace identifying the underlying cause of hair loss.

At Βιολογικό Χωριό, you can find options containing ingredients associated with hair health:

• Terranova Beauty Complex Skin Hair Nails: contains vitamin C, zinc, copper, L-proline, L-lysine, and MSM and is intended to provide overall support for the skin, hair, and nails.
• Natures Plus Marine Collagen: contains hydrolyzed collagen from wild-caught fish and is an option for those looking to support skin elasticity and the strength of their hair and nails.
• Natures Plus Gummies Biotin: contains biotin in a soft gummy form for easier consumption.

Important: a supplement containing ingredients for hair does not mean that it treats hair loss. The available evidence on supplements for the treatment of hair loss is still limited and heterogeneous.

Natural ways & diet to help prevent hair loss

A balanced diet is an important part of hair care. Rather than focusing only on one supplement, try to meet your daily needs for protein, iron, zinc, vitamins, and other micronutrients through a varied diet.

Add more protein to your meals

Good choices include:

• Eggs
• Fish
• Chicken
• Yogurt and dairy products
• Legumes
• Tofu and other soy products
• Nuts and seeds

You may also be interested in: How Much Protein Do I Need? All the Answers!

Choose iron-rich foods

Iron is found in both animal- and plant-based foods:

• Red meat
• Eggs
• Lentils
• Chickpeas
• Beans
• Tahini
• Green leafy vegetables

Combine plant-based sources of iron with foods rich in vitamin C, such as peppers, tomatoes, kiwi, oranges, or strawberries, to enhance the absorption of non-heme iron.

Don't forget about zinc

You can find zinc in:

• Seafood
• Meat
• Dairy products
• Eggs
• Nuts
• Seeds
• Legumes

Add variety to your diet

A diet that includes fruits, vegetables, legumes, whole grains, nuts, seeds, and quality sources of protein helps you meet more of your nutritional needs.

At the same time, avoid very restrictive diets and sudden reductions in calorie intake. Inadequate energy and protein intake can affect the hair growth cycle.

Conclusions about vitamins for hair loss

The best vitamins for hair loss are not necessarily the most numerous or those taken in the highest doses. The effectiveness of a supplement depends mainly on the cause of hair loss and whether a genuine nutritional deficiency is present. A balanced diet, adequate protein intake, and proper evaluation by a healthcare professional form the foundation for healthy hair.

At Βιολογικό Χωριό, you can find organic foods and selected dietary supplements that can be incorporated into a balanced dietary plan, depending on your individual needs.

Έλενα Αρτεμίου
Dietitian-Nutritionist

Sources

Galal, S. A., El-Sayed, S. K., & Henidy, M. M. H. (2024). Postpartum Telogen Effluvium Unmasking Additional Latent Hair Loss Disorders. The Journal of clinical and aesthetic dermatology, 17(5), 15–22.

Guo, E. L., & Katta, R. (2017). Diet and hair loss: Effects of nutrient deficiency and supplement use. Dermatology Practical & Conceptual, 7(1), 1–10. https://doi.org/10.5826/dpc.0701a01

Wang, R., Lin, J., Liu, Q., Wu, W., Wu, J., & Liu, X. (2024). Micronutrients and Androgenetic Alopecia: A Systematic Review. Molecular nutrition & food research, 68(22), e2400652. https://doi.org/10.1002/mnfr.202400652

Yelich, A., Jenkins, H., Holt, S., & Miller, R. (2024). Biotin for Hair Loss: Teasing Out the Evidence. The Journal of clinical and aesthetic dermatology, 17(8), 56–61.

Yongpisarn, T., Tejapira, K., Thadanipon, K., & Suchonwanit, P. (2024). Vitamin D deficiency in non-scarring and scarring alopecias: a systematic review and meta-analysis. Frontiers in nutrition, 11, 1479337. https://doi.org/10.3389/fnut.2024.1479337