The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
January 2018 in “International journal of food and nutrition research” Intermittent iron and nutritional supplements can help reduce hair loss.
1 citations,
August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
24 citations,
June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
14 citations,
October 2020 in “Natural Products and Bioprospecting” Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.
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.
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.
May 2022 in “International Journal for Research in Applied Science and Engineering Technology” Iron supplements combined with Quilib lotion effectively treat hair loss in people with iron deficiency anemia.
Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.
November 2015 in “Clin-Alert” Some medications and supplements can cause serious side effects, including hair loss, heart rhythm problems, liver injury, and other health issues.
207 citations,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
70 citations,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
53 citations,
October 1978 in “Archives of dermatology” Zinc supplements can resolve skin issues caused by zinc deficiency.
21 citations,
September 2017 in “Journal of Obstetrics and Gynaecology Research” Chromium supplements don't improve insulin, hormone levels, or cholesterol in women with PCOS but raise testosterone levels.
11 citations,
April 2018 in “Nutrition Research” Chromium supplements don't help with weight loss or improve hormone and metabolism issues in people with polycystic ovary syndrome.
7 citations,
January 2022 in “Evidence-based complementary and alternative medicine” Ginger supplements helped reduce symptoms and improve metabolic health in hypothyroid patients.
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.
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.
1 citations,
January 2015 in “Hair therapy & transplantation” Some supplements and hormones can increase hair loss by raising DHT levels.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
January 2018 in “Journal of translational science” Eating alfalfa sprouts every day can raise testosterone levels in middle-aged men, but broccoli sprouts don't have this effect.
Iron supplements may reverse premature graying in iron-deficient individuals; ingrown nails are common in diabetics with certain risk factors; topical finasteride may reduce scalp DHT as effectively as oral finasteride; monilethrix treatment is challenging but some medications can help.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.
369 citations,
June 2013 in “Biochimie” Myo-inositol supplements may improve insulin sensitivity and help with conditions like PCOS and gestational diabetes, but more research is needed.
21 citations,
September 1990 in “Journal of The American Academy of Dermatology” Taking L-tryptophan supplements might cause a condition similar to scleroderma in some people, which can get better after stopping the supplement and starting corticosteroid therapy.
8 citations,
January 2020 in “Skin appendage disorders” Saw palmetto supplements may modestly improve hair regrowth with few side effects, but more research is needed.
7 citations,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
3 citations,
April 2022 in “Farmacia” Certain foods and supplements can help treat skin diseases alongside medication.
3 citations,
November 2020 in “Curēus” A child's hair loss from alopecia areata was fully reversed in five months using diet and supplements.
1 citations,
November 2022 in “Molecules/Molecules online/Molecules annual” Some calcium supplements have more calcium than their labels say, and a few have less.