October 2024 in “Frontiers in Nutrition” Vitamin D deficiency is common in people with certain types of hair loss, like alopecia areata and female pattern hair loss.
June 2024 in “jurnal ABDIMAS Indonesia” Vitamin D education and supplementation improve hair health in the elderly.
May 2024 in “International journal of research in dermatology” Low vitamin D levels are linked to increased risk of male pattern baldness.
July 2022 in “Hair transplant forum international” Vitamin D might be involved in hair growth, so taking supplements could help treat hair loss if you're deficient.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
January 2019 in “Clinical neuropharmacology” A girl's hair-pulling condition improved greatly after she started vitamin D treatment.
January 2017 in “International Journal of Trichology” Vitamin D supplements might help reduce hair fall.
January 2013 in “INTAS POLIVET” Vitamin A supplements improved skin and health issues in dogs.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Men with early baldness often have low vitamin D levels.
3 citations
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November 2020 in “Curēus” A child's hair loss from alopecia areata was fully reversed in five months using diet and supplements.
3 citations
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August 2022 in “JAAD international” Taking a daily multivitamin may be enough to promote hair growth in people with alopecia.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
November 2024 in “Journal of Medical and Life Science” Vitamin D and Zinc deficiencies can cause various symptoms, but supplements and lifestyle changes can improve them.
November 2024 in “PubMed” The supplement improved hair density and was safe to use.
June 2023 in “JAAD international” Patients with skin of color are more likely to use supplements for hair loss than Caucasian patients, but the effectiveness of these supplements is uncertain and they can be expensive.
Low ferritin and vitamin D levels are linked to hair loss.
Low ferritin and vitamin D levels are linked to hair loss, suggesting the need for personalized nutrition and diagnostics.
January 2025 in “Open Veterinary Journal” Supplements improved the dog's hair growth without side effects.
March 2022 in “Annals of Bariatric Surgery” Protein supplements with zinc, iron, and B vitamins reduce hair loss after sleeve gastrectomy.
2 citations
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June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
January 2022 in “Medical research archives” Taking vitamin D might improve life for MS patients and reduce skin side effects from alemtuzumab treatment.
8 citations
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September 2021 in “Journal of Cosmetic Dermatology” Some diets and supplements might help with skin disorders, but their effectiveness varies and more research is needed.
4 citations
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October 2023 in “Fertility and Sterility” Some medications and supplements can affect male fertility, with some improving and others harming sperm quality.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” A combined treatment with microneedling and vitamin D3 led to complete hair regrowth in a woman with stubborn patch alopecia areata.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
July 2025 in “Nutrición clínica y dietética hospitalaria/Nutrición clínica, dietética hospitalaria” Serenoa repens is the most effective supplement for treating androgenetic alopecia alone, while topical ketoconazole can be a helpful addition.
August 2022 in “Journal of the American Academy of Dermatology” The authors agree they didn't discuss the risks of too much micronutrients and value the focus on biotin deficiency signs and treatment effectiveness.
24 citations
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June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
August 2025 in “İstanbul Gelişim Üniversitesi Sağlık Bilimleri Dergisi” The method accurately measures vitamin E compounds in capsules.