47 citations
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December 2006 in “Therapy” This study found that a dietary supplement containing L-cystine, medicinal yeast, and pantothenic acid significantly improved hair growth in women with telogen effluvium over six months compared to placebo.
37 citations
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January 2019 in “Dermatologic Therapy” This article is a letter to the editor discussing the treatment of telogen effluvium using a dietary supplement, but it provides no new research results.
32 citations
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July 2018 in “Scientific Reports” In this study, the authors reported that feeding cashmere goats with essential oil-cobalt significantly enhanced their growth, meat quality, and fiber quality, while stimulating immune-related physiological changes.
18 citations
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January 2022 in “Nutrients” This review discusses potential agents, including acetyl-L-carnitine and vitamins, for repurposing in managing chemotherapy-induced peripheral neuropathy and reports no clinical results; the authors emphasize the need for further research.
11 citations
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September 2007 in “Advances in therapy” This study found that the oral supplement INVERSION® Femme significantly reduced weight and hair loss and improved skin and nails in overweight women.
6 citations
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December 2014 in “PubMed” This report describes three cases of liver toxicity linked to the dietary supplement Inneov masa capilar®, primarily composed of green tea catechins, after ruling out other causes of acute hepatitis.
3 citations
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October 2022 in “Han'gug dongmul jawon gwahag hoeji/Han-guk dongmul jawon gwahak hoeji/Journal of animal science and technology” This study found that L-glutamine supplementation in Hanwoo steers under heat stress did not affect growth performance or muscle and adipose tissue gene expression but was associated with increased immune cells and reduced HSP90 expression.
2 citations
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April 2016 in “Más dermatología” This study found that the dietary supplement RJ-SP4AGA significantly improved hair growth and reduced hair loss in post-menopausal women with androgenetic alopecia over 16 weeks.
2 citations
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August 2024 in “Current Developments in Nutrition” This study found that fitness coaches and registered dietitians/nutritionists were the primary sources of information for bodybuilders, who showed moderate nutrition knowledge, while gender, exercise history, and sessions impacted dietary supplement use, and reported adverse effects included skin rashes and increased liver enzymes.
2 citations
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November 2017 in “Food Additives & Contaminants: Part A” This study developed a validated method to detect prohibited drugs in dietary supplements, finding minoxidil, triaminodil, and finasteride in some samples.
1 citations
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July 2022 in “Frontiers in Microbiology” This study found that dietary supplementation with 0.2% MSM improved hair quality in kittens and had no significant negative effects on their growth performance, antioxidant capacity, or gut microbiota.
August 2025 in “http://isrctn.com/” The supplement may improve hair growth and skin health with some mild risks.
January 2023 in “Food and nutrition sciences” This study observed that a significant majority of participants who used the dietary supplement Nutrifii™ Renew reported improvements in various health outcomes, including sleep and energy, compared to a multivitamin/mineral group.
December 2014 in “Sociedad (University of Buenos Aires)” This study highlights three cases of liver toxicity linked to the use of the green tea catechin-containing supplement Inneov masa capilar® and underscores the need for careful monitoring of such products.
October 2024 in “Kirkuk journal of medical sciences” This study found that in Kirkuk City, prescription and over-the-counter omega-3 supplements were widely used, often without clear distinction by healthcare providers and consumers regarding their appropriate use.
January 2005 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” This article examines how the Dietary Supplement Health and Education Act of 1994 allows ineffective herbal remedies for hair loss to remain on the market, potentially misleading consumers, and suggests possible solutions.
This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.
April 2026 in “Journal of Pharmacy Practice” In this case study, the authors reported a post-bariatric surgery patient who developed acne due to inappropriate vitamin supplementation, emphasizing the need for careful monitoring and education on vitamin use to prevent complications in such patients.
January 2026 in “Frontiers in Nutrition” This study found that various dietary supplements positively impacted hair density and were well-tolerated among patients with androgenetic alopecia, suggesting they may be useful adjuncts or alternatives to standard treatments.
June 2024 in “Archives of dermatological research” This study observed that patients with post-COVID telogen effluvium had lower serum ferritin levels than controls, but the levels were not indicative of nonanemic iron deficiency.
February 2024 in “Scientific Reports” In this retrospective cohort study, 87.1% of pediatric patients with chemotherapy-induced alopecia experienced clinical improvement after treatment with minoxidil or combination therapy with CYP, with the combination therapy showing greater hair thickness and minimal adverse effects.
August 2022 in “Italian Journal of Animal Science/Italian journal of animal science” This study found that supplementing Angora goats with whole field bean seeds postpartum did not prevent weight and body condition losses but was associated with improved mohair growth and kid weight gain, likely due to better nutrient partitioning towards lactation and hair growth.
January 2018 in “Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment” This study developed and validated a method using UPLC-PDA and LC-Q-TOF/MS to identify and measure prohibited substances in dietary supplements, showing reliable detection of compounds like minoxidil and finasteride.
May 2020 in “Current developments in nutrition” This study found that a low dose of finasteride over 12 weeks did not alter the lipid profile or adiposity index in atheroprone Ldlr−/− mice.
November 2022 in “Animal Bioscience” This study found that adding methionine to a low-protein diet improved wool production and feed efficiency in Angora rabbits by promoting hair follicle development through mechanisms involving IGF1, KAP, and versican signaling.
14 citations
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January 2020 in “Dermatology Online Journal” This article reviews the link between certain dietary supplements, such as vitamins B6/B12, iodine, whey, and muscle-building products, and acne, emphasizing the need for dermatologists to discuss supplement use with patients; it reports no new results.
8 citations
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July 2020 in “Applied Sciences” This review discusses the strengths and weaknesses of existing studies on complex dietary supplements for hair loss, emphasizing the need for valid measurement methods like TrichoScale® to quantify effectiveness; it reports no new results.
1 citations
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May 2017 in “Asian journal of medical sciences” This study found that dietary supplementation with collagen, chondroitin sulfate, low-molecular weight hyaluronic acid, Pycnogenol®, and coenzyme Q10 significantly improved skin hydration, elasticity, nail hardness, and hair condition in patients with age-related dermatological changes after 12 weeks.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This abstract discusses the FitSpresso weight loss supplement's potential benefits and mechanisms but provides no clinical research findings; it reports on its ingredients and consumer ratings instead.
July 2025 in “Food Science & Nutrition” This study found that vitamin D supplementation in diets of Rex rabbits improved hair follicle development and fatty acid metabolism, with 1400–2100 IU/kg proving most effective for hair density and 2800 IU/kg increasing hair length.