March 2019 in “Evidence Based Women Health Journal (Online)” Vitamin D supplements increased ovulation rates in women with PCOS who were vitamin D deficient.
27 citations
,
September 2015 in “PharmaNutrition” Astaxanthin is a safe antioxidant that may improve heart, skin, eye health, and physical performance, and help manage chronic diseases.
4 citations
,
January 2020 in “Hair Therapy & Transplantation” Personalized nutrition is more effective for hair loss than generic supplements.
1 citations
,
January 1980 in “Side effects of drugs annual” Taking too much vitamin A can cause health problems like bone pain and hair loss.
4 citations
,
June 2024 in “Journal of pharmacopuncture” Polygonum multiflorum shows promise for treating Alzheimer's and cognitive impairments.
December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
February 2024 in “Scientific Reports” Topical minoxidil and dietary supplements improved hair regrowth in children with hair loss from chemotherapy.
134 citations
,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
1 citations
,
June 2019 in “Current developments in nutrition” A combination of arginine silicate complex and magnesium biotinate improves hair and nail growth in rats.
28 citations
,
March 1986 in “The American journal of medicine” Too much vitamin A can cause liver damage and skin issues.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
May 2011 in “Utrecht University Repository (Utrecht University)” The nicotinamide supplement did not reduce symptoms in horses with insect bite hypersensitivity.
April 2019 in “National Journal of Research in Ayurved Science” Triphala is a safe, detoxifying Ayurvedic formula that boosts health and may have anti-cancer benefits.
1 citations
,
October 2017 in “Food Additives & Contaminants: Part A” A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
9 citations
,
September 2018 in “Journal of Photochemistry and Photobiology B-biology” A hair-growth formula with cystine and thiamin helps protect skin cells against UV damage and improves their growth.
7 citations
,
July 2021 in “PubMed” Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.
1 citations
,
October 2018 in “Ukraïnsʹkij žurnal dermatologìï, venerologìï, kosmetologìï” Wolvit® (biotin 5 mg) is effective and safe for treating hair loss and scalp conditions in women.
Taking enzyme food and collagen together improves hair health in middle-aged women more than taking them separately.
October 2025 in “Dermatology and Therapy” Nutrafol® nutraceuticals improve hair thickness and strength.
October 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Truman Plus Male Enhancement may help boost testosterone and improve sexual health, but severe cases need medical treatment.
11 citations
,
September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
March 2023 in “International Journal of Science and Research (IJSR)” Iron supplements improve life quality for people with anemia.
3 citations
,
July 1992 in “Clinics in Dermatology” Vitamin D helps regulate calcium levels in the body.
24 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” Polygonum multiflorum can promote hair growth when taken orally or applied topically.
November 2022 in “Journal of the Endocrine Society” Excessive iodine from a cystic fibrosis supplement can cause hypothyroidism.
September 2025 in “Dietary Supplements and Nutraceuticals” Cerebronal® may help improve certain brain health markers.
June 2024 in “British Journal of Dermatology” Vitamin B supplements may reverse grey hair.
July 2023 in “Current Developments in Nutrition”