11 citations
,
January 1987 in “Australian Journal of Experimental Agriculture” Protein supplements helped goats maintain weight and increased fleece growth, but not cashmere growth.
4 citations
,
September 1977 in “Lipids” Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.
71 citations
,
June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.
67 citations
,
January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
47 citations
,
December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
40 citations
,
May 2018 in “PubMed” Nutrafol® Women's Capsules safely and effectively promote hair growth in women with thinning hair.
37 citations
,
January 2019 in “Dermatologic Therapy” A dietary supplement with Boswellia serrata, Curcuma longa, and Vitis vinifera showed potential improvement in hair health for telogen effluvium patients, but more research is needed.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
14 citations
,
January 2020 in “Dermatology Online Journal” Some dietary supplements, like vitamins B6/B12, iodine, whey protein, and muscle-building products, can cause or worsen acne.
10 citations
,
January 2024 in “Dermatology Research and Practice” Taking a collagen and vitamin C supplement improves skin and hair health.
9 citations
,
July 2020 in “Journal of Animal Physiology and Animal Nutrition” Melatonin given to pregnant rabbits improved their babies' fur quality.
9 citations
,
September 2018 in “Clinical, Cosmetic and Investigational Dermatology” One supplement improved hair loss and quality faster and more effectively than the other in treating telogen effluvium.
7 citations
,
December 2020 in “Endocrine-related Cancer” The over-the-counter supplement DHEA could make COVID-19 worse, especially in diabetics and people with G6PD deficiency.
6 citations
,
October 2015 in “Experimental dermatology” Adenine helps delay aging in human hair follicle cells.
6 citations
,
April 2012 in “PubMed” Enteral supplements can improve symptoms of Cronkhite-Canada syndrome.
5 citations
,
January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
4 citations
,
March 2023 in “Molecules/Molecules online/Molecules annual” Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.
4 citations
,
January 2020 in “Hair Therapy & Transplantation” Personalized nutrition is more effective for hair loss than generic supplements.
3 citations
,
July 2025 in “Reproductive Biology and Endocrinology” Chromium, inositol, and omega-3 can help manage PCOS symptoms.
3 citations
,
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.
3 citations
,
January 2017 in “Journal of cosmetology & trichology” The nutritional supplement improved hair quality and reduced hair loss.
3 citations
,
October 2015 in “EFSA supporting publications” Isoflavones may help with menopause symptoms but could be risky for women with hormone-sensitive cancers.
2 citations
,
August 2024 in “Current Developments in Nutrition” Iranian bodybuilders often use supplements like vitamins C, D, and whey protein, but they experience side effects like skin rashes and hair loss.
2 citations
,
July 2023 in “Phytotherapy Research” Serenoa repens is mostly safe but has some risks, especially at high doses or when used with other products for over two weeks.
2 citations
,
June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
2 citations
,
January 2019 in “Journal of Cosmetics, Dermatological Sciences and Applications” The supplement and lotion significantly reduced hair loss and improved hair health.
2 citations
,
July 2018 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.
2 citations
,
November 2017 in “Food Additives & Contaminants: Part A” The new method accurately detects illegal hair-growth drugs in dietary supplements.
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.
1 citations
,
August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.