3 citations
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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.
3 citations
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May 2018 in “Journal of nutritional health & food science” Nutritional supplements can help manage hair loss and promote hair growth by strengthening hair roots and countering harmful effects of pollution, smoking, and deficiencies in vitamins and minerals.
1 citations
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August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
1 citations
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May 2021 in “Research journal of topical and cosmetic sciences” Muttaijow ComplexTM improved skin, hair, and nail health in middle-aged adults.
August 2025 in “http://isrctn.com/” The supplement may improve hair growth and skin health with some mild risks.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
April 2018 in “Journal of Investigative Dermatology” The supplement improved hair growth, strength, and moisture.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
October 2025 in “Journal of Drugs in Dermatology” Topical caffeine can help with hair growth and reduce hair loss safely.
February 2024 in “Cosmoderma” Micronutrient supplements for hair loss may not help and could be harmful without proven deficiencies.
May 2021 in “Research journal of topical and cosmetic sciences” TrichovitalsTM improved skin, hair, and nail health in adults after 12 weeks.
5 citations
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September 2017 in “Journal of Cosmetic Dermatology” A marine protein-based dietary supplement can safely boost hair growth and reduce hair loss in people with thinning hair.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
January 2021 in “Figshare” Metformin helps regenerate hair follicles in lab conditions.
9 citations
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January 2014 in “Molecular Genetics and Metabolism Reports” The rhg mutation in mice affects the Oat gene, causing hair growth issues and other symptoms.
32 citations
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July 2018 in “Scientific Reports” Essential-oils-cobalt improves goat growth and product quality.
29 citations
,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
7 citations
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March 2021 in “Molecular Medicine Reports” A mix of specific inhibitors and a growth factor helps keep hair growth cells from losing their properties in the lab.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
January 2023 in “Figshare” Minor skin injuries can boost hair growth by increasing TNF-α.
July 2004 in “Journal of the American Dietetic Association” Many Korean preschool children have low zinc levels, which may affect their growth, and zinc supplements could help.
September 2023 in “Authorea (Authorea)” Certain peptides, caffeine, taurine, and an iron complex may improve hair regrowth when used with minoxidil and finasteride for hair loss.
January 2024 in “PloS one” Rat hair-follicle stem cells can become heart cells with specific supplements.
23 citations
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January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
April 2026 in “Journal of Pharmacy Practice” Improper vitamin use after bariatric surgery can cause acne.
April 2008 in “Medical & surgical dermatology” Certain hairstyles can cause scalp diseases, smoking is linked to hair loss, 5% minoxidil foam is effective for hair loss treatment, and various factors influence wound healing and hair growth.
January 2026 in “Frontiers in Nutrition” Certain dietary supplements can improve hair density and are well-tolerated for treating androgenetic alopecia.
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.
Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.