27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
45 citations
,
June 1984 in “Journal of the American Veterinary Medical Association” Zinc supplements quickly improved health issues in sheep and goats.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
1 citations
,
January 1988 Topical DHEA safely increases skin oil production.
May 2026 in “Journal of Cosmetic Dermatology” The supplement improved hair growth and reduced hair loss effectively.
1 citations
,
November 2021 in “British Journal of Clinical Pharmacology” Saw palmetto may cause erectile dysfunction and needs better safety monitoring.
November 2024 in “Journal of Cosmetic Dermatology” The plant extracts may help treat hair loss by promoting hair growth and reducing DHT levels.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
11 citations
,
November 2022 in “JAMA dermatology” Some nutritional supplements may help treat hair loss with generally mild side effects.
December 2023 in “Kiểm nghiệm và An toàn thực phẩm/Kiểm nghiệm và An toàn thực phẩm (online)” The method detected sex hormones in some health supplements, with one containing banned testosterone.
2 citations
,
April 2016 in “Más dermatología” The supplement with Serenoa repens and Pygeum africanum significantly increased active hair growth and decreased rest phase hair in post-menopausal women with hair loss, with only mild digestive side effects.
March 2019 in “Evidence Based Women Health Journal (Online)” Vitamin D supplements increased ovulation rates in women with PCOS who were vitamin D deficient.
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.
January 2025 in “Journal of Cosmetic Dermatology” The supplement improved hair growth and quality in men with thinning hair and was safe to use.
July 2025 in “Nutrición clínica y dietética hospitalaria/Nutrición clínica, dietética hospitalaria” Serenoa repens is the most effective supplement for treating androgenetic alopecia alone, while topical ketoconazole can be a helpful addition.
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.
June 2011 in “Journal of clinical and experimental investigations” Oral zinc sulphate is an effective and safe treatment for thallium poisoning.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
8 citations
,
January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
47 citations
,
December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
November 2022 in “Journal of the Endocrine Society” Excessive iodine from a cystic fibrosis supplement can cause hypothyroidism.
July 2023 in “Jurnal Ilmu Kesehatan Hewan” Sulfur-based treatments combined with simparica effectively treat scabies in puppies.
January 1993 in “Inpharma Weekly” A new food supplement was highly effective in curing hair loss in young men.
2 citations
,
January 1977 in “PubMed” 10 citations
,
July 1980 in “British Journal of Dermatology” Topical putrescine and spermine increased DNA synthesis in hairless mouse skin.
December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
3 citations
,
August 2024 in “Cosmetics” A botanical extract blend improved skin and scalp health in women working outdoors.
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.