13 citations
,
August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
10 citations
,
September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
10 citations
,
October 2017 in “Pediatric neurology” Biotin and acetazolamide improved hair and nail growth, mental function, and reduced headaches in a child with autism.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
3 citations
,
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
,
December 2017 in “Skin appendage disorders” Biotin may help women with hair loss who have low biotin levels, but more research is needed.
September 2022 in “Farmacja Polska” Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
January 2021 in “Scandinavian journal of clinical and laboratory investigation” The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
Biotin boosts wool growth and follicle health in sheep.
11 citations
,
February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
82 citations
,
August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
4 citations
,
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.
2 citations
,
January 1997 in “Journal of Clinical Biochemistry and Nutrition” Biotin deficiency causes severe hair loss and weight reduction in germ-free mice.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
21 citations
,
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
,
May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
2 citations
,
August 2020 in “JCRPE” A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
1 citations
,
January 2018 in “Journal of cosmetology & trichology” Hair loss lotion with specific ingredients effectively improves hair growth and thickness safely.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
March 2000 in “Preventive Nutrition and Food Science” Whalgichan improved hair growth, reduced hair loss, and enhanced cholesterol and lipid metabolism without side effects.
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.
3 citations
,
January 2016 in “Journal of cosmetology & trichology” Taking vitamins, minerals, and amino acids can improve hair strength and quality in people with Monilethrix.
277 citations
,
July 2002 in “Molecular Endocrinology” Removing part of the vitamin D receptor stops vitamin D from working properly.
271 citations
,
September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
18 citations
,
October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
October 2025 in “International Journal For Multidisciplinary Research” Ayurvedic treatment improved Vitamin B12 levels and symptoms.
September 2025 in “Journal of Pakistan Association of Dermatologists” Adding Biotin to PRP doesn't improve hair regrowth.
81 citations
,
January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.