1 citations
,
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
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.
September 2006 in “Baghdad Science Journal” Lack of certain vitamins and minerals can increase hair loss in pregnant and breastfeeding women.
1 citations
,
February 2022 in “Biological Trace Element Research” The combination of Arginine Silicate Inositol Complex and a new form of Biotin improved hair and nail growth in rats.
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.
23 citations
,
June 1993 in “PubMed” Medication 1 improved hair quality and growth more effectively than medication 2 and the placebo.
August 2024 in “Journal of the Association of Physicians of India” Adding vitamin B12 to food like salt can effectively improve vitamin levels in rural areas.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
June 2025 in “International Journal of Clinical Medical Research” Healthcare professionals need better training and systems for drug interaction reporting, injectable vitamin B12 helps tingling, oral helps numbness, probiotics may help ulcerative colitis, and more research is needed on Post-Finasteride Syndrome.
Azelaic acid and vitamin B6 together may improve hair growth.
1 citations
,
June 2019 in “Current developments in nutrition” A combination of arginine silicate complex and magnesium biotinate improves hair and nail growth in rats.
16 citations
,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
July 2025 in “JAAD Case Reports” 14 citations
,
November 2021 in “Nanoscale” The research shows how a specially structured nanoemulsion delivers vitamins A and E through the skin.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
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.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
1 citations
,
July 2012 in “EFSA journal” KF2BL20 does not have proven benefits for maintaining normal hair.
The supplement may reduce hair shedding but needs more research for skin benefits.
25 citations
,
August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
October 2020 in “Our Dermatology Online” Skin changes and high vitamin B12 levels can be early signs of cancer.
December 2025 in “Journal of Ovarian Research” Vitamin B6 may help activate dormant follicles.
1 citations
,
January 1980 in “Side effects of drugs annual” Taking too much vitamin A can cause health problems like bone pain and hair loss.
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.
70 citations
,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
35 citations
,
April 1937 in “The journal of nutrition/The Journal of nutrition” Flavin prevents cataracts in young rats.
May 2024 in “Journal of ayurveda and integrated medical sciences” Amra Beej Majja Churna may help improve Vitamin B12 levels and symptoms in vegans.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.