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.
3 citations
,
February 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
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.
August 2022 in “Journal of the American Academy of Dermatology” The authors agree they didn't discuss the risks of too much micronutrients and value the focus on biotin deficiency signs and treatment effectiveness.
March 2013 in “International Society of Hair Restoration Surgery” Biotin may not effectively promote hair growth.
1 citations
,
January 1999 in “Proceedings of the British Society of Animal Science” Biotin helps maintain hair follicle growth by affecting cell death and survival signals.
40 citations
,
August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
April 2025 in “Nutrients” Consult an oncologist before using supplements for hair loss during breast cancer treatment.
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.
8 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Some diets and supplements might help with skin disorders, but their effectiveness varies and more research is needed.
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.
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.
September 2025 in “SKIN The Journal of Cutaneous Medicine” Isotretinoin can cause hair loss, and reducing the dose or using supplements like vitamin D and iron may help.
January 2023 in “Editora Conhecimento Livre eBooks” A balanced diet with key nutrients and possible supplements can help manage post-COVID-19 symptoms.
July 2018 in “Elsevier eBooks” Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.
24 citations
,
July 1987 in “Dermatologic Clinics” Systemic diseases can cause hair loss, which is often reversible with treatment.
70 citations
,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
1 citations
,
July 2012 in “EFSA journal” KF2BL20 does not have proven benefits for maintaining normal hair.
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.
11 citations
,
May 2009 in “Actas Dermo-Sifiliográficas” Some treatments can help hair regrowth in alopecia areata, but none offer a cure, and effectiveness varies.
3 citations
,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
10 citations
,
July 2018 in “Our Dermatology Online” Some vitamins and minerals are important for preventing hair loss, but treating hair loss with them without a known deficiency is not proven effective.
July 2024 in “Brazilian Journal of Clinical Medicine and Review” Hair loss after bariatric surgery is common due to nutrient deficiencies and rapid weight loss.
Nutrition plays a key role in managing skin disorders, with specific dietary changes helping improve conditions like acne, dermatitis, psoriasis, alopecia, and skin cancer.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
2 citations
,
May 2022 in “Cosmetics” Further research is needed to understand how the microbiome affects hair loss in Alopecia Areata.
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.