January 2011 in “Reactions Weekly” St. John's Wort may reduce the effectiveness of finasteride by increasing its breakdown in the body.
11 citations
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December 2010 in “The Journal of Urology” Taking oral testosterone with or without dutasteride increases testosterone levels and could be an effective treatment for low testosterone.
January 2024 in “International journal of chemical research and development (Print)” Low levels of vitamin B12, iron, ferritin, and zinc are linked to hair loss in Iraqi women.
21 citations
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April 2009 in “Trace Elements and Electrolytes” Autistic children have lower iron and higher selenium in their hair.
10 citations
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May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
39 citations
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May 2011 in “Movement Disorders” Finasteride may help reduce symptoms in male Tourette syndrome patients.
November 2024 in “PubMed” The supplement improved hair density and was safe to use.
1 citations
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June 2019 in “Current Developments in Nutrition” S-equol supplements significantly reduced menopausal symptoms in most women.
4 citations
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June 1980 in “American Journal of Clinical Nutrition” Malnutrition can change hair color due to altered copper and zinc levels.
January 2026 in “Journal of Emerging Technologies and Innovative Research” Zinc oxide nanoparticles made from Tridax procumbens leaves show strong antibacterial and anticancer effects.
1 citations
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January 2021 in “Journal of Dhaka Medical College” Lower iron levels are linked to longer hair loss.
73 citations
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May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
79 citations
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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.
Matriptase-2 helps control iron levels by suppressing hepcidin, and its deficiency can cause iron-deficiency anemia.
August 2016 in “Annals of International medical and Dental Research” People with different types of hair loss often have lower iron levels in their blood.
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.
Low ferritin and vitamin D levels are linked to hair loss, suggesting the need for personalized nutrition and diagnostics.
2 citations
,
August 2019 in “Turkish Journal of Chemistry” Researchers made minoxidil efficiently using cobalt ferrite nanoparticles as a reusable catalyst.
1 citations
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July 2025 in “Functional Foods in Health and Disease” CL22209, an Asparagus racemosus extract, safely reduces perimenopausal symptoms and balances hormones.
April 2025 in “Journal of Controversies in Obstetrics & Gynecology and Pediatrics” Vitamin D may improve fertility in women with PCOS.
May 2025 in “AlQalam Journal of Medical and Applied Sciences” Low iron levels are common but not directly linked to hair loss in women.
2 citations
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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 2012 in “Hair therapy & transplantation” Low serum ferritin levels are not closely linked to telogen effluvium in women.
May 2015 in “Evidence Based Women Health Journal (Online)” Inositol was more effective than metformin in improving menstrual cycles and pregnancy rates in PCOS patients.
5 citations
,
January 2022 in “Pesquisa Veterinária Brasileira” Copper deficiency in goats and kids caused health and reproductive problems due to excess iron intake.
1 citations
,
October 2020 in “IP Indian journal of clinical and experimental dermatology” Low serum ferritin levels are significantly linked to diffuse hair loss.
45 citations
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August 2018 in “Haematologica” Macrophage iron release is crucial for hair growth and wound healing.
December 2025 in “International Journal of Innovative Technologies in Social Science” Oral supplements like Vitamin E and Omega-3 can help reduce isotretinoin side effects.
134 citations
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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.