February 1999 in “Strength and Conditioning Journal” Androstenedione, a hormone supplement, doesn't improve muscle or performance and can cause harmful side effects.
research Iron
January 2014 in “Reactions Weekly” A woman had nausea and constipation from iron pills taken for hair loss due to low iron.
105 citations
,
March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
3 citations
,
August 2005 in “Journal of Pediatric Gastroenterology and Nutrition” The toddler's health issues were caused by too much vitamin A from supplements.
2 citations
,
July 2018 in “PubMed” Low vitamin D levels might cause hair loss that can be treated with vitamin D supplements.
1 citations
,
February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
September 2022 in “Ukraïnsʹkij naukovo-medičnij molodìžnij žurnal” Quality pharmaceutical care is crucial for safe and effective use of vitamin-mineral supplements during pregnancy and breastfeeding.
August 2025 in “Animal nutrition” α-Ketoglutaric acid improves hair growth, rabbit performance, and antioxidant levels.
Folicrex may help with hair growth and health but lacks clinical evidence.
January 2020 in “Asian journal of applied science and technology” Good nutrition is crucial for health and preventing disease, and supplements can help prevent nutrient deficiencies.
50 citations
,
May 1985 in “The journal of pediatrics/The Journal of pediatrics” Biotin deficiency in patients on total parenteral nutrition can cause serious symptoms but can be treated with biotin supplements.
35 citations
,
November 2020 in “Dermatologic Therapy” Severe COVID-19 may cause hair loss, and doctors recommend supplements and topical treatments to manage it.
1 citations
,
March 2022 in “IntechOpen eBooks” Collagen is crucial for health and treating certain diseases, and supplements can improve skin, nails, and hair conditions.
1 citations
,
January 1993 Zinc is crucial for animal health, and diets often need zinc supplements to prevent deficiency.
May 2024 in “Portuguese journal of dermatology and venereology” Reassurance and counseling are key in managing acute telogen effluvium, with supplements possibly offering a placebo effect.
June 2023 in “Trichology and cosmetology:” Ageratum Conyzoides, when taken orally, can effectively reduce hair loss and improve hair growth.
June 2022 in “Journal of medical science and clinical research” Brandt syndrome, with symptoms like skin rash, hair loss, and diarrhea, improves quickly with zinc supplements.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” Multivitamin gummies with various vitamins and minerals offer a tasty and easy-to-digest alternative to traditional supplements.
July 2021 in “Clinical Medicine” Iron deficiency without anemia can cause itching and other skin-related symptoms, and iron supplements may help.
67 citations
,
July 2011 in “Clinical, cosmetic and investigational dermatology” The document suggests a personalized treatment plan for alopecia areata based on the patient's age and hair loss severity, using a range of therapies ranked by effectiveness and safety.
40 citations
,
July 1981 in “Journal of Neuropathology & Experimental Neurology” Copper injections improved symptoms and prevented brain damage in brindled mice.
13 citations
,
July 2016 in “Pediatric Dermatology” Loose Anagen Syndrome is more common in females and may be inherited, often confused with other hair disorders, and lacks evidence for biotin treatment effectiveness.
March 2013 in “International Society of Hair Restoration Surgery” Biotin may not effectively promote hair growth.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” A combined treatment with microneedling and vitamin D3 led to complete hair regrowth in a woman with stubborn patch alopecia areata.
23 citations
,
May 1998 in “Journal of Dermatological Science” Insulin or IGF-I is needed for hair growth in newborn mice, while minoxidil helps adult mouse hair grow, suggesting a way to study human hair loss.
Rat hair follicle bulge cells can become nerve and glial cells, showing potential for neuroprotection.
3 citations
,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
2 citations
,
August 2022 in “Clinical Case Reports” A 17-year-old girl had severe, on-and-off hair loss, likely due to COVID-19. She was treated with Vitamin D3, biotin, and other supplements, and saw some improvement within a month.
1 citations
,
November 2022 in “World Family Medicine Journal /Middle East Journal of Family Medicine” People in Jeddah know about Vitamin D and its sources but are unclear on how much they need daily, and while many women take supplements, attitudes towards increasing Vitamin D levels vary.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.