11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
6 citations
,
March 2019 in “Dermatologic surgery” Chilled ATPv-supplemented saline best preserves hair grafts' key genes.
January 2026 in “http://isrctn.com/” The food supplement may help reduce hair shedding and improve hair growth.
May 2023 in “Journal of Applied Cosmetology” The Annurca apple supplement significantly improved hair growth in people with hair loss.
February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
July 2022 in “Hair transplant forum international” Vitamin D might be involved in hair growth, so taking supplements could help treat hair loss if you're deficient.
78 citations
,
January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
98 citations
,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
40 citations
,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.
30 citations
,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
18 citations
,
February 2001 in “Journal of International Medical Research” Hairgain® significantly increased hair growth and was well-tolerated by individuals with hair loss.
15 citations
,
January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
6 citations
,
October 2015 in “Experimental dermatology” Adenine helps delay aging in human hair follicle cells.
1 citations
,
February 2021 in “Animal feed science and technology” Organic selenium may offer better retention and less waste in puppies.
Biotin does not significantly help with hair growth.
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.
September 2013 in “Hair transplant forum international” The document's content could not be understood or processed.
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.
February 2025 in “PubMed” AI-personalized hair loss treatments improved hair growth and scalp health without side effects.
Problems with arginine processing in hair follicles might contribute to common hair loss, and arginine supplements could help treat it.
January 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Natural remedies like essential oils are preferred for safe and beneficial hair growth support.
September 2017 in “Hair transplant forum international” Biotin is popular for hair loss, but there's little scientific proof it works.
22 citations
,
December 1992 in “The journal of pediatrics/The Journal of pediatrics” Zinc supplements improved hair and skin conditions in two patients.
January 2014 in “Surgical and Cosmetic Dermatology” Nutritional supplements can significantly reduce hair loss in telogen effluvium after three months.
3 citations
,
April 2022 in “Clinical, Cosmetic and Investigational Dermatology” Different methods, including stress management, healthy diet, supplements, and treatments like minoxidil, can help hair grow back after COVID-19 related hair loss.
January 2019 in “Analytical Science and Technology” About 21% of tested hair loss supplements contained illegal synthetic drugs.
7 citations
,
December 2013 in “The Journal of Dermatology” A woman's hair turned gray and fell out after starting a cancer drug called imatinib mesylate.