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,
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 clinical medicine” Soy supplements improve various skin conditions and aging signs, with topical use boosting skin barrier function.
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,
August 2022 in “Reproductive Biology and Endocrinology” Magnesium supplements improved quality of life for women with polycystic ovary syndrome, but didn't help with acne, hair loss, or abnormal bleeding.
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,
December 2017 in “Food Additives & Contaminants: Part A” The new method accurately detects illegal hair-growth drugs in dietary supplements.
2 citations,
May 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.
Vitamin supplements may not improve hair thickness or density in patients with non-scarring hair loss.
1 citations,
August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
1 citations,
July 2022 in “Frontiers in Microbiology” MSM supplementation in kittens improves hair quality and growth rate without harming their health.
Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
1 citations,
September 2020 The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
1 citations,
February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
1 citations,
March 2014 in “Senses and Sciences” A supplement with Serenoa repens improved hair loss in a patient.
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.
July 2024 in “Skin Appendage Disorders” The supplement significantly improves hair density and appearance in people with hair loss.
March 2024 in “Indian Journal of Dermatology” Iron supplements may improve hair loss satisfaction even if initial iron levels are normal.
March 2024 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Soy hull supplementation did not affect sheep gastrointestinal parasite infection compared to corn-based supplements.
February 2024 in “Scientific Reports” Topical minoxidil and dietary supplements improved hair regrowth in children with hair loss from chemotherapy.
November 2023 in “British journal of nutrition” Curcumin supplements increase adiponectin and decrease leptin in adults.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
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.
January 2023 in “Dermatologic Therapy” The nutritional supplement Pilopeptan® WOMAN improved hair growth and thickness in women with hair loss.
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.
August 2022 in “Italian Journal of Animal Science/Italian journal of animal science” Field bean supplementation improved mohair growth and kid growth in Angora goats but didn't prevent weight loss after giving birth.
June 2022 in “Research journal of topical and cosmetic sciences” Trichovitals® supplement improves hair thickness, reduces hair loss, and promotes hair growth in young adults.
June 2022 in “International Journal of Health Sciences (IJHS)” Micronutrient supplements significantly improved PCOS symptoms in women.