Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.
November 2025 in “Frontiers in Veterinary Science” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
2 citations
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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.
January 2018 in “International journal of food and nutrition research” Intermittent iron and nutritional supplements can help reduce hair loss.
67 citations
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January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
37 citations
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January 2019 in “Dermatologic Therapy” A dietary supplement with Boswellia serrata, Curcuma longa, and Vitis vinifera showed potential improvement in hair health for telogen effluvium patients, but more research is needed.
32 citations
,
July 2018 in “Scientific Reports” Essential-oils-cobalt improves goat growth and product quality.
21 citations
,
September 2017 in “Journal of Obstetrics and Gynaecology Research” Chromium supplements don't improve insulin, hormone levels, or cholesterol in women with PCOS but raise testosterone levels.
11 citations
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April 2018 in “Nutrition Research” Chromium supplements don't help with weight loss or improve hormone and metabolism issues in people with polycystic ovary syndrome.
9 citations
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September 2018 in “Clinical, Cosmetic and Investigational Dermatology” One supplement improved hair loss and quality faster and more effectively than the other in treating telogen effluvium.
March 2026 in “Journal of Veterinary and Animal Sciences” Supplements improved calves' haircoat condition.
December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
April 2024 in “Más dermatología” Oral collagen peptides can improve skin health and aid wound healing.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
38 citations
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January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
11 citations
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October 2018 in “Hormone and Metabolic Research” Women with PCOS have similar bone density to healthy women, but those who are obese have higher bone density at some body sites.
11 citations
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September 2007 in “Advances in therapy” INVERSION Femme supplement helped women lose weight, reduce hair loss, and improve skin and nail health.
7 citations
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January 2022 in “Evidence-based complementary and alternative medicine” Ginger supplements helped reduce symptoms and improve metabolic health in hypothyroid patients.
June 2024 in “Archives of dermatological research” Dietary supplements might help prevent post-COVID hair loss, but serum ferritin is not a reliable indicator.
December 2023 in “Research in pharmacy” Phytotherapeutic compounds and supplements can help manage Polycystic Ovarian Syndrome (PCOS).
417 citations
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February 2004 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy increases bone density in older men with low testosterone levels.
November 2025 in “Biological Trace Element Research” Hair mineral analysis doesn't reliably show blood mineral levels but may help track long-term mineral trends.
3 citations
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January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
1 citations
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May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
3 citations
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August 2021 in “Cutis” Some alternative medicine treatments might work for skin conditions, but their effectiveness and safety differ a lot.
1 citations
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February 2021 in “Animal feed science and technology” Organic selenium may offer better retention and less waste in puppies.
November 2025 in “Frontiers in Nutrition” Olive leaf extract may help reduce aging signs in postmenopausal women.
June 2023 in “Research Square (Research Square)” Cupric citrate improves growth, nutrient use, and gut health in broilers.
124 citations
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March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.