November 2025 in “Iraqi Journal of Science” Celiac patients may have kidney function risks due to increased urea and creatinine and decreased magnesium, zinc, and vitamin C.
55 citations
,
November 2019 in “Cellular and Molecular Gastroenterology and Hepatology” Biotin may help treat inflammatory bowel disease by reducing inflammation and improving gut health.
13 citations
,
January 2019 in “Journal of the American Academy of Dermatology” Most people using biotin don't see skin improvements, and it may affect lab tests, so doctors shouldn't suggest it without confirming 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.
73 citations
,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
38 citations
,
January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
3 citations
,
February 2022 in “Journal of the American Academy of Dermatology” Black patients with a specific type of hair loss have a much higher chance of lacking enough vitamin D.
1 citations
,
September 2022 in “Journal of dermatological science” Certain vitamins and their derivatives can help hair grow longer by activating specific growth signals.
1 citations
,
June 2019 in “Current Developments in Nutrition” S-equol supplements significantly reduced menopausal symptoms in most women.
January 2024 in “Journal of advanced research in Medical and Health science” People with severe and long-lasting alopecia areata often have low vitamin D levels, and treatments with vitamin D-like substances might help.
Children with alopecia areata often have low vitamin D, especially if they have darker skin, it's not summer, or they're not White.
126 citations
,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
76 citations
,
April 2002 in “Urology” Selenium and vitamin E supplements have mixed effects on prostate cancer risk and may not be beneficial for everyone.
57 citations
,
August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.
46 citations
,
December 2010 in “PubMed” Tocotrienol supplements significantly increased hair growth in people with hair loss.
40 citations
,
August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
36 citations
,
May 2021 in “Nutrients” Natural molecules like inositols, resveratrol, vitamins, and omega-3 fatty acids may help manage Polycystic Ovary Syndrome (PCOS), but their effects vary and need more exploration.
26 citations
,
May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
24 citations
,
June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
23 citations
,
September 2016 in “Archives of Dermatological Research” Vitamin D levels do not affect the risk of developing alopecia areata.
14 citations
,
July 2022 in “Nutrients” Vitamin A is important for healthy skin and hair, influencing hair growth and skin healing, but UV light reduces its levels.
14 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to various types of hair loss, but more research is needed before using it as a treatment.
12 citations
,
September 2014 in “Bone” A vitamin D receptor mutation causes rickets and affects immune responses.
10 citations
,
September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
7 citations
,
December 2020 in “Pharmaceutics” A mix of tocopherol acetate and L-menthol helps grow hair better than using them separately or using minoxidil.
7 citations
,
January 2017 in “Journal of cosmetology & trichology” Good nutrition is crucial for healthy hair and can help with hair loss without medication.
5 citations
,
July 2017 in “International journal of endocrinology and metabolism/International journal of endocrinology and metabolism.” Two siblings with a genetic mutation had a form of rickets that doesn't respond to vitamin D.
4 citations
,
March 2023 in “Journal of medical case reports” Taking too much vitamin E caused a young man's blood clotting problems, which improved after he stopped the vitamin E and got treatment.
3 citations
,
June 2012 in “Korean Journal of Human Ecology” The supplement reduced hair loss and increased hair thickness safely.
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.