91 citations
,
July 2004 in “Journal of Biological Chemistry” Overexpressing SSAT enzyme reduces prostate tumor growth in mice.
3 citations
,
June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.
November 2022 in “Journal of the Endocrine Society” Excessive iodine from a cystic fibrosis supplement can cause hypothyroidism.
January 1993 in “Inpharma Weekly” A new food supplement was highly effective in curing hair loss in young men.
1 citations
,
February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
13 citations
,
December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
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.
1 citations
,
January 1988 Topical DHEA safely increases skin oil production.
13 citations
,
March 1999 in “Biochemical Journal” Overexpressing SSAT in mice makes them highly sensitive to polyamine analogues, causing liver damage and high mortality.
24 citations
,
June 2018 in “PubMed” Serenoa repens extract helps regrow hair and repair hair loss by activating certain cell growth pathways.
27 citations
,
March 2012 in “Dermatologic Therapy” Taking zinc supplements can help improve or cure hair loss caused by zinc deficiency.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
The S-2 herbal extract significantly promotes hair growth.
2 citations
,
June 2011 in “Journal of clinical and experimental investigations” Oral zinc sulphate is an effective and safe treatment for thallium poisoning, especially for skin and hair symptoms.
January 2023 in “Food and nutrition sciences” Most people using the supplement Renew saw health improvements, especially in sleep and energy, faster than with regular vitamins.
3 citations
,
August 2022 in “JAAD international” Taking a daily multivitamin may be enough to promote hair growth in people with alopecia.
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.
March 2026 in “Planta Medica” Serenoa repens extract may help hair growth in both men and women.
August 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth supplements do not reduce the effectiveness of the breast cancer treatment tamoxifen.
1 citations
,
January 2004 in “China Surfactant Detergent & Cosmetics” The compound improves hair conditioning in shampoos.
1 citations
,
August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
June 2011 in “Journal of clinical and experimental investigations” Oral zinc sulphate is an effective and safe treatment for thallium poisoning.
29 citations
,
December 2017 in “Molecular therapy” Enzyme replacement therapy improved multiple symptoms of homocystinuria in mice.
23 citations
,
August 1975 in “Experimental Biology and Medicine” Copper supplements during pregnancy improve survival and development in mutant mice.
3 citations
,
June 2021 in “Cosmetics” A mix of sulforaphane, L-menthol, and dexpanthenol could help increase hair growth and reduce hair loss.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
30 citations
,
December 2019 in “PLoS ONE” The new delivery system improved raloxifene's skin absorption and effectiveness against cancer cells.
2 citations
,
January 2012 HSA nanoparticles can improve tamoxifen delivery for breast cancer treatment, reducing side effects.
11 citations
,
March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
May 2023 in “Jurnal Kedokteran dan Kesehatan Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya” There is not enough evidence to recommend multivitamin-mineral supplements and herbal treatments for alopecia areata.