Some supplements may help reduce side effects of cancer treatments in pets.
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.
166 citations
,
November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
29 citations
,
July 1996 in “Acta Paediatrica” Biotin should be added to Japanese amino acid formula to prevent deficiency.
September 2017 in “Hair transplant forum international” Biotin is popular for hair loss, but there's little scientific proof it works.
June 2021 in “Current developments in nutrition” The LustrivaTM BH-002 supplement and hair serum improved women's hair, skin, and nail health and appearance.
7 citations
,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
June 2023 in “JAAD international” Patients with skin of color are more likely to use supplements for hair loss than Caucasian patients, but the effectiveness of these supplements is uncertain and they can be expensive.
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.
9 citations
,
July 2014 in “PubMed” The review doesn't clearly say if biotin, caffeine, melatonin, a marine extract, and zinc are effective for treating hair loss.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
July 2025 in “Nutrición clínica y dietética hospitalaria/Nutrición clínica, dietética hospitalaria” Serenoa repens is the most effective supplement for treating androgenetic alopecia alone, while topical ketoconazole can be a helpful addition.
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.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
73 citations
,
October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
57 citations
,
February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
10 citations
,
April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
6 citations
,
September 1996 in “Journal of the European Academy of Dermatology and Venereology” Biotin supplements may help hair regrowth in alopecia areata patients with low biotinidase activity.
5 citations
,
October 2019 in “Giornale italiano di dermatologia e venereologia” Biotin supplements can improve certain skin disorders and hair loss when a deficiency is present.
5 citations
,
March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.
2 citations
,
July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
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.
1 citations
,
June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
1 citations
,
September 1996 in “Journal of the European Academy of Dermatology and Venereology” Biotin supplements may help hair regrowth in some alopecia areata patients.
April 2021 in “Libyan journal of medical sciences” A woman's hair loss improved with treatment after a COVID-19 infection.
December 2020 in “Dermatology practical & conceptual” Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
December 2010 in “Bariatric Nursing and Surgical Patient Care” Hair loss after bariatric surgery can be reduced by staying hydrated, eating enough protein, taking vitamins, managing stress, and possibly using biotin.
February 2023 in “JEADV Clinical Practice” Biotin supplements significantly improved a young girl's uncombable hair.
August 2021 in “Benha Journal of Applied Sciences” Biotin supplements significantly improve hair loss in people with telegon effluvium who lack biotin.