January 2021 in “İzmir Dr.Behçet Uz çocuk hastanesi dergisi” Children with Alopecia Areata often have lower vitamin D and B12 levels and higher thyroid activity.
September 2022 in “Farmacja Polska” Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may help improve hair health.
148 citations
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May 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice without the vitamin D receptor are more prone to UV-induced skin tumors.
144 citations
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December 2004 in “Molecular Endocrinology” The vitamin D receptor is essential for normal hair growth, even without its usual binding.
December 2021 in “OPAL (Open@LaTrobe) (La Trobe University)” New therapies like JAK inhibitors and stem cells show promise in treating vitiligo.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
January 2021 in “Medical Research Archives” Genetically modified rats help reveal how vitamin D affects bone and skin health.
January 2025 in “International Journal of Molecular Sciences” Non-liganded Vitamin D Receptor is crucial for healthy skin and hair.
5 citations
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June 2017 in “in Vivo” Vitamin C deficiency changes gene expression, affecting skin and hair health.
4 citations
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March 2023 in “Journal of medical case reports” Taking too much vitamin E caused a young man's blood clotting problems, which improved after he stopped the vitamin E and got treatment.
10 citations
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September 1991 in “Journal of Dermatological Science” July 2023 in “Current Developments in Nutrition”
86 citations
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June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
1 citations
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June 2007 in “Almustansiriya journal of pharmaceutical sciences/Al-Mustansiriyah journal of pharmaceutical sciences” Antioxidants can help improve hair growth in people with alopecia areata.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
September 2023 in “International Research Journal of Modernization in Engineering Technology and Science” Nutraceuticals help prevent diseases and improve health and skin.
67 citations
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August 2004 in “Endocrinology” A specific gene mutation causes vitamin D resistance, but certain vitamin D analogs might help.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
Supplements improve health, appearance, and athletic performance.
7 citations
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March 2002 in “AIDS” Indinavir, especially with vitamin A, may cause bone changes, but switching to nelfinavir can reduce these effects.
2 citations
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May 2020 in “Giornale italiano di dermatologia e venereologia” Vitamin D and its receptor are important for hair and scalp health and may help treat hair loss.
1 citations
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February 2022 in “Terapevtičeskij arhiv” A young woman got liver damage from taking too much vitamin A for two years.
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
Some alternative treatments for vitiligo show promise but need more research to confirm their safety and effectiveness.
January 2023 in “Food and nutrition sciences” Most people using the supplement Renew saw health improvements, especially in sleep and energy, faster than with regular vitamins.
6 citations
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June 2018 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Patients with the same genetic mutation for vitamin D-resistant rickets showed different symptoms but all improved with treatment except for hair loss.