10 citations
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September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
10 citations
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January 2010 in “PubMed” Adjuvants, diet changes, and laser therapy may improve male pattern hair loss.
1 citations
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August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
July 2026 in “Frontiers in Veterinary Science” Sodium hyaluronate and eggshell membrane improve Ragdoll cats' skin and coat health.
December 2025 in “Cureus” Zinc supplements effectively treat inherited zinc deficiency in infants.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
May 2023 in “Elsevier eBooks” Some nutritional supplements may help thicken hair in people with hair loss, but taking too much can cause side effects.
7 citations
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December 2020 in “Endocrine-related Cancer” The over-the-counter supplement DHEA could make COVID-19 worse, especially in diabetics and people with G6PD deficiency.
February 2026 in “Animals” Methionine supplementation in low-protein diets improves growth, fur quality, and gut health in blue foxes.
7 citations
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
4 citations
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March 2023 in “Molecules/Molecules online/Molecules annual” Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.
2 citations
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June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
1 citations
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August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
February 2024 in “Curēus” A balanced diet with proteins, vitamins, and minerals is crucial for managing skin disorders.
February 2024 in “Indian Dermatology Online Journal” Sports supplements can cause skin problems and may contain harmful substances.
June 2021 in “International Journal of Research in Medical Sciences & Technology” Hair loss has many causes and needs specific treatments.
11 citations
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November 2022 in “JAMA dermatology” Some nutritional supplements may help treat hair loss with generally mild side effects.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
114 citations
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October 2009 in “Gastroenterology” Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
40 citations
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January 2010 in “Indian Journal of Dermatology, Venereology and Leprology” Certain diets can affect skin conditions, but more research is needed to understand these relationships fully.
26 citations
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May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
3 citations
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July 2025 in “Reproductive Biology and Endocrinology” Chromium, inositol, and omega-3 can help manage PCOS symptoms.
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.
FemmeBalance supplement significantly improved PMS symptoms in women.
Early biotin treatment can reverse symptoms of congenital biotinidase deficiency.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
November 2018 in “Springer eBooks” Children need early diagnosis and treatment for iron-deficiency anemia to prevent learning problems and promote health.
August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.