May 2015 in “Cancer research” After chemotherapy for early breast cancer, 33.4% of patients had long-term significant hair loss, with some hair regrowth over time, but treatments for hair loss were largely ineffective.
19 citations
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January 2019 in “International Journal of Trichology” Indian dermatologists recommend treating common hair loss with a balanced diet, stress reduction, mild shampoos, and sometimes minoxidil and supplements.
January 2020 in “Journal of dermatology research and therapy” Most over-the-counter hair loss treatments lack strong evidence of effectiveness but cost nearly as much as the proven treatment, minoxidil.
13 citations
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August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
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.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
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.
2 citations
,
January 1997 in “Journal of Clinical Biochemistry and Nutrition” Biotin deficiency causes severe hair loss and weight reduction in germ-free mice.
55 citations
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November 2019 in “Cellular and Molecular Gastroenterology and Hepatology” Biotin may help treat inflammatory bowel disease by reducing inflammation and improving gut health.
13 citations
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January 2019 in “Journal of the American Academy of Dermatology” Most people using biotin don't see skin improvements, and it may affect lab tests, so doctors shouldn't suggest it without confirming a deficiency.
78 citations
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January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
2 citations
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December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
10 citations
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September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
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.
11 citations
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February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
March 2023 in “JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan” The best biotin hair tonic formula has 20% span 80, 9.47% tween 80, and 5% PEG 400.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
2 citations
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July 2018 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.
82 citations
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August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
3 citations
,
November 2020 in “Curēus” A child's hair loss from alopecia areata was fully reversed in five months using diet and supplements.
24 citations
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June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
May 2024 in “Journal of ayurveda and integrated medical sciences” Amra Beej Majja Churna may help improve Vitamin B12 levels and symptoms in vegans.
December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
9 citations
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March 2014 in “TURKDERM” Proper nutrition is crucial for healthy hair growth.
2 citations
,
January 2019 in “Elsevier eBooks” Biotin supplements are unnecessary for most people but may help with certain conditions like biotin deficiency, brittle nails, and some hair loss.
June 2022 in “Research journal of topical and cosmetic sciences” Trichovitals® supplement improves hair thickness, reduces hair loss, and promotes hair growth in young adults.
14 citations
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April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.