November 2025 in “Journal of Cosmetic Dermatology” Saw palmetto extract safely improves hair growth and reduces hair loss.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
12 citations
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July 1979 in “International Journal of Dermatology” A patient with zinc depletion improved after zinc supplementation during parenteral nutrition.
Saw palmetto extract is effective and safe for treating lower urinary tract symptoms, working as well as certain medications, and works even better in severe cases.
2 citations
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January 2019 in “Elsevier eBooks” Biotin supplements are unnecessary for most people but may help with certain conditions like biotin deficiency, brittle nails, and some hair loss.
December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
9 citations
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August 2024 in “Journal of Orthopaedic Translation” Strontium zinc silicate may help treat osteoporosis and muscle loss.
5 citations
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April 1946 in “PubMed” Liver extract treatment improved anemia and hair growth in a pig.
1 citations
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July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
1 citations
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February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
July 2023 in “Jurnal Ilmu Kesehatan Hewan” Sulfur-based treatments combined with simparica effectively treat scabies in puppies.
23 citations
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August 1975 in “Experimental Biology and Medicine” Copper supplements during pregnancy improve survival and development in mutant mice.
8 citations
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January 2016 Curcumin can safely replace Sunset Yellow as a food colorant.
1 citations
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January 2004 in “China Surfactant Detergent & Cosmetics” The compound improves hair conditioning in shampoos.
January 1993 in “Inpharma Weekly” A new food supplement was highly effective in curing hair loss in young men.
14 citations
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July 2015 in “International Journal of Molecular Sciences” S-Methylmethionine sulfonium can protect skin from UVB damage.
October 2024 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” Trichoscopy can help diagnose Vitamin B12, Vitamin D3, and ferritin deficiencies without blood tests.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
December 2023 in “Kiểm nghiệm và An toàn thực phẩm/Kiểm nghiệm và An toàn thực phẩm (online)” The method detected sex hormones in some health supplements, with one containing banned testosterone.
September 2020 in “Benha Veterinary Medical Journal” Sheep with skin diseases often have lower levels of certain trace elements and vitamin A, and higher oxidative stress and immunoglobulin E levels.
March 2026 in “Journal of Veterinary and Animal Sciences” Supplements improved calves' haircoat condition.
April 2018 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Zinc levels in body fluids can help diagnose zinc deficiency in lambs, with fecal zinc as an early indicator.
33 citations
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January 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
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.
May 2011 in “Utrecht University Repository (Utrecht University)” The nicotinamide supplement did not reduce symptoms in horses with insect bite hypersensitivity.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
Iron supplements help reduce fatigue in anaemia but often cause side effects like black stools and stomach issues.
2 citations
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October 1982 in “PubMed” Oral zinc supplements quickly resolved skin issues from zinc deficiency.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.