57 citations
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February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
July 2024 in “Skin Appendage Disorders” The supplement significantly improves hair density and appearance in people with hair loss.
Men need essential vitamins like D, B Complex, and A for health, and should consult doctors for personalized advice.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
24 citations
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May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
5 citations
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October 2019 in “Giornale italiano di dermatologia e venereologia” Biotin supplements can improve certain skin disorders and hair loss when a deficiency is present.
Vitamin supplements may not improve hair thickness or density in patients with non-scarring hair loss.
February 2023 in “JEADV Clinical Practice” Biotin supplements significantly improved a young girl's uncombable hair.
August 2021 in “Benha Journal of Applied Sciences” Biotin supplements significantly improve hair loss in people with telegon effluvium who lack biotin.
June 2012 in “한국생활과학회지 = Korean journal of human ecology” The supplement reduced hair loss and increased hair thickness without side effects.
The supplement improved hair density and overall hair beauty.
January 2023 in “Italian journal of dermatology and venereology” The supplement effectively improved hair growth and reduced hair loss safely.
September 2024 in “Journal of the American Academy of Dermatology” Dietary changes and supplements mostly did not improve alopecia areata.
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.
April 2023 in “Journal of Investigative Dermatology” Taking nicotinic acid supplements might help with acne by affecting the skin's oil glands, but high doses are needed.
32 citations
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January 2006 in “Liver transplantation” Vitamin A toxicity can cause severe health issues and may require a liver transplant if other treatments fail.
79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
7 citations
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July 1979 in “Archives of Dermatology” Patients with renal disease should be cautious with vitamin A supplements due to risk of toxicity.
9 citations
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November 2014 in “Journal of Cutaneous Medicine and Surgery” Many dermatologists in Saudi Arabia recommend vitamins and minerals for hair loss, often based on personal experience rather than strong evidence.
January 2022 in “Clinical Cases in Dermatology” Lack of certain nutrients may contribute to hair loss and proper diet or supplements could improve it.
A boy on a ketogenic diet and anti-epileptic drugs developed skin issues due to stopping vitamin supplements, which improved with proper supplementation.
24 citations
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July 1979 in “Archives of Dermatology” Patients with renal disease may develop vitamin A toxicity even with low-dose supplements.
12 citations
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January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
3 citations
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November 2018 in “PubMed” People with TED often have low B12 levels and might benefit from B12 supplements.
3 citations
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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
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August 2018 in “Advances in Animal and Veterinary Sciences” Camels in South Iraq were cured of skin infections with antibiotics and supplements.
May 2026 in “CSUSB ScholarWorks (California State University, San Bernardino)” Women with PCOS often prefer lifestyle changes and alternative treatments like specific diets and supplements.
May 2024 in “Journal of ayurveda and integrated medical sciences” Amra Beej Majja Churna may help improve Vitamin B12 levels and symptoms in vegans.
11 citations
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June 2012 in “Archives of Dermatological Research” L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.