September 2022 in “Farmacja Polska” Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
10 citations
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October 2017 in “Pediatric neurology” Biotin and acetazolamide improved hair and nail growth, mental function, and reduced headaches in a child with autism.
3 citations
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January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
1 citations
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December 2017 in “Skin appendage disorders” Biotin may help women with hair loss who have low biotin levels, but more research is needed.
Biotin boosts wool growth and follicle health in sheep.
82 citations
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August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
1 citations
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January 2018 in “Journal of cosmetology & trichology” Hair loss lotion with specific ingredients effectively improves hair growth and thickness safely.
24 citations
,
July 2019 in “Journal of Obstetrics and Gynaecology” The combination therapy improved PCOS symptoms in both obese and non-obese women, with weight loss in the obese group.
21 citations
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June 2011 in “Journal of child neurology” Valproic acid and carbamazepine do not change biotin or biotinidase levels but may lower zinc levels, still within normal range.
20 citations
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May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
18 citations
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October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
4 citations
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August 2018 in “Journal of The American Academy of Dermatology” The authors agree that biotin may help certain hair disorders but lacks evidence for use in healthy people and call for more research.
3 citations
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January 2016 in “Journal of cosmetology & trichology” Taking vitamins, minerals, and amino acids can improve hair strength and quality in people with Monilethrix.
2 citations
,
August 2020 in “JCRPE” A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
2 citations
,
January 1997 in “Journal of Clinical Biochemistry and Nutrition” Biotin deficiency causes severe hair loss and weight reduction in germ-free mice.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
March 2000 in “Preventive Nutrition and Food Science” Whalgichan improved hair growth, reduced hair loss, and enhanced cholesterol and lipid metabolism without side effects.
271 citations
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September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
7 citations
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July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
277 citations
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July 2002 in “Molecular Endocrinology” Removing part of the vitamin D receptor stops vitamin D from working properly.
104 citations
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May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
41 citations
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March 2007 in “Journal of dermatological science” Taking L-cystine and vitamin B6 can prevent hair loss caused by smoke in mice.
26 citations
,
February 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.
14 citations
,
November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
10 citations
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July 2023 in “The Neuroscience Journal of Shefaye Khatam” Vitamin E and C may help slow Alzheimer's and Parkinson's progression.
3 citations
,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
1 citations
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August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
February 2025 in “International Journal of Morphology” Vitamin E can reduce the negative effects of valproic acid on hair and skin development.
September 2024 in “African Journal of Biomedical Research” Alopecia areata patients have lower vitamin D and slightly lower copper levels, so these should be checked.