65 citations
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January 2009 in “Annals of Dermatology” Zinc supplements increased zinc levels in some hair loss patients but didn't significantly improve hair growth.
Some supplements may help reduce side effects of cancer treatments in pets.
June 2022 in “International Journal of Health Sciences (IJHS)” Micronutrient supplements significantly improved PCOS symptoms in women.
4 citations
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December 2008 in “The Thai Journal of Veterinary Medicine” Zinc methionylglycinate improves dog hair and zinc levels better than zinc sulfate.
1 citations
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September 2007 in “Neuromuscular disorders” The treatment with valproate, acetylcarnitine, folic acid, and vitamin B12 may improve muscle strength in children with SMA without significant side effects.
12 citations
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March 2019 in “Cosmetics” The oral supplement with Pinus pinaster and Grape seed extract, used with sunscreen, effectively and safely improved mild-to-moderate facial melasma.
May 2023 in “Jurnal Kedokteran dan Kesehatan Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya” There is not enough evidence to recommend multivitamin-mineral supplements and herbal treatments for alopecia areata.
February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
Many people in Saudi Arabia use vitamin D supplements, but few experience toxicity, showing the need for professional guidance when taking these supplements.
April 2016 in “Journal of The American Academy of Dermatology” A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.
November 2024 in “PubMed” The supplement improved hair density and was safe to use.
78 citations
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
October 2025 in “The American Journal of Gastroenterology” Excessive zinc intake can cause liver failure.
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.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
8 citations
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September 2021 in “Journal of Cosmetic Dermatology” Some diets and supplements might help with skin disorders, but their effectiveness varies and more research is needed.
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.
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.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
January 2023 in “Side effects of drugs annual” Some vitamins, amino acids, and alternative medicines can cause serious side effects, including bone, muscle, and skin issues, and healthcare professionals should be aware of these risks.
211 citations
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May 2013 in “Journal of Nutrition Health & Aging” MK-0773 safely increased muscle mass but did not improve muscle strength or function in elderly women with sarcopenia.
July 2023 in “Media Dermato Venereologica Indonesiana” Vitamin D supplements should be used cautiously in sarcoidosis patients, with regular monitoring to avoid high calcium levels.
December 2024 in “Journal of the International Society of Sports Nutrition” Creatine monohydrate is safe and effective for muscle recovery and performance, especially for those with low creatine levels.
July 2025 in “Insights-Journal of Health and Rehabilitation” Adding vitamin D to metformin lowers blood sugar more than metformin alone in type 2 diabetes.
1 citations
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June 2019 in “Current Developments in Nutrition” S-equol supplements significantly reduced menopausal symptoms in most women.
February 2024 in “Exposure and Health” Selenium supplements may reduce mercury levels in the hair of city dwellers in China.
January 2026 in “Frontiers in Nutrition” Certain dietary supplements can improve hair density and are well-tolerated for treating androgenetic alopecia.
3 citations
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January 1985 in “British Journal of Dermatology” Zinc sulphate solution was not effective in reducing the number, duration, or severity of recurrent herpes simplex infections.