10 citations
,
September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
13 citations
,
August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
16 citations
,
May 2009 in “Journal of child neurology” Valproic acid does not change biotinidase enzyme activity in children's blood.
April 2018 in “Journal of Investigative Dermatology” The supplement improved hair growth, strength, and moisture.
January 1999 in “Proceedings of the British Society of Animal Science” Biotin deficiency may harm hair follicle health and growth in Angora goats.
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
,
October 2018 in “Ukraïnsʹkij žurnal dermatologìï, venerologìï, kosmetologìï” Wolvit® (biotin 5 mg) is effective and safe for treating hair loss and scalp conditions in women.
August 2021 in “Benha Journal of Applied Sciences” Biotin supplements significantly improve hair loss in people with telegon effluvium who lack biotin.
The supplement improved hair density and overall hair beauty.
9 citations
,
October 1946 in “Experimental biology and medicine” Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.
The supplement may reduce hair shedding but needs more research for skin benefits.
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
11 citations
,
September 2010 in “PubMed” Zinc and biotin supplements are needed after certain surgeries to prevent hair loss and other issues.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” The polyherbal hair oil with Vitamin B7 may increase hair growth, reduce hair loss, and protect against dandruff.
2 citations
,
December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
2 citations
,
June 1972 in “PubMed” June 2012 in “한국생활과학회지 = Korean journal of human ecology” The supplement reduced hair loss and increased hair thickness without side effects.
September 2020 in “Benha Journal of Applied Sciences” Patients with Alopecia Areata have lower levels of zinc and biotin than healthy individuals.
2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
5 citations
,
May 2019 in “Cureus” Taking biotin supplements can cause incorrect thyroid test results, leading to wrong diagnoses.
9 citations
,
February 1981 in “Australian journal of biological sciences” Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.
September 2025 in “Indian Journal of Psychiatry” Valproic acid treatment may cause hair loss due to reduced biotinidase activity.
October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” Multivitamins can help hair growth and health, especially if you have nutritional deficiencies, but should be used carefully.
2 citations
,
August 2020 in “JCRPE” A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
4 citations
,
August 2021 in “Pediatric dermatology” Biotin, alone or with minoxidil, effectively treats short anagen syndrome.
1 citations
,
February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
2 citations
,
January 1997 in “Journal of Clinical Biochemistry and Nutrition” Biotin deficiency causes severe hair loss and weight reduction in germ-free mice.
December 2024 in “International Journal of Biology Pharmacy and Allied Sciences”
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Biotrinine® may be an effective treatment for chronic hair loss.