61 citations
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February 2003 in “Experimental Dermatology” This study found that increasing dietary soy oil content reduced alopecia areata development in C3H/HeJ mice, though genistein injection showed no significant effect.
August 2014 in “PLOS ONE” Hair loss is linked to eating less soy, having lower blood vanadium, and a specific genetic variation in Taiwanese communities.
15 citations
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December 2013 This study found that in men with androgenic alopecia, moderate to severe cases were associated with the AA genotype of rs1160312, blood vanadium concentrations, and regular consumption of soy bean drinks.
April 2017 in “The FASEB Journal” In this study, a soy-containing diet significantly reduced the incidence of colonic polyps in mice compared to a soy-free diet, suggesting that soy foods might lower the risk of colon cancer development.
August 2025 in “Food Science and Technology” In this review, the authors discuss the potential benefits of black soybeans and white ferula mushroom for preventing hair loss, highlighting the need for ongoing research to identify effective dietary ingredients for maintaining hair health.
290 citations
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December 2017 in “Journal of The American Academy of Dermatology” This article reviews the epidemiology, clinical evaluation, and pathogenesis of alopecia areata and highlights recent advancements, but it does not report new clinical findings.
2 citations
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January 2020 Certain dietary supplements can improve hair health.
January 2017 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” This study found that a dietary supplement containing fermented soy, ornithine, arginine, and Tricovel® Tricoage45+ significantly reduced hair loss and promoted hair growth in menopausal women after 8 to 12 weeks.
26 citations
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May 2021 in “International Journal of Molecular Sciences” In this review, researchers examined the physiological benefits of Cheonggukjang, a salt-free fermented soybean paste, highlighting its various health-promoting components that may contribute to improved heart health, diabetes management, and cancer prevention, among other benefits.
3 citations
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January 2009 in “Elsevier eBooks” This review discusses soy's potential benefits for skin, hair, and nails, noting that while skin and nail improvements are more pronounced, hair benefits are modest; it reports no new clinical results.
August 2025 in “Nutrition and Health” In this systematic review, researchers linked higher vitamin D and iron levels to reduced alopecia, while increased alcoholic and sugary beverage intake was correlated with greater hair loss, highlighting the impact of diet on hair health.
December 2023 in “Scientific reports” This study assessed three lactic acid bacteria-fermented proteins and found that F-WPI and F-SPI could normalize osteoclastogenesis markers in vitro, while F-SPI enhanced osteoblastogenesis markers, suggesting potential as dietary supplements for osteoporosis prevention, though further research into mechanisms is needed.
5 citations
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September 2023 in “Nutrients” In this study, a 6-month randomized controlled trial with postmenopausal women reported that supplementing with soy protein isolate with isoflavones led to significant improvements in skin hydration and reduced wrinkles and facial pigment intensity, but did not affect sebum production.
23 citations
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January 1991 in “Journal of Animal Science” In this study, dietary biotin supplementation showed no significant benefit on reproductive performance in sows or pre-weaning growth and mortality in piglets.
9 citations
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October 1946 in “Experimental biology and medicine” This study reported that supplementation with inositol, biotin, cystine, or methionine prevented hair loss in rats fed soybean oil meal, with cystine and methionine also significantly increasing growth rates.
2 citations
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April 2011 in “InTech eBooks” This review discusses the potential skin care benefits of non-denatured soybean extracts, including skin lightening and UV protection, but reports no clinical results.
January 1992 in “Research Online (University of Wollongong)” This investigation reviews the potential impact of polyunsaturated fatty acids on thyroid hormone action and does not report new results, highlighting a need for further research on dietary treatment for hyperthyroidism.
30 citations
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July 1984 in “Journal of Animal Science” In this study, sows fed a diet with added biotin weaned more pigs per litter overall, though other reproductive and health metrics showed no improvement.
April 2024 in “International journal of women's health” This review explores adult female acne, focusing on its multifactorial causes, treatment options, and impact on quality of life, but reports no new clinical results.
2 citations
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October 2008 in “InTech eBooks” This review discusses the benefits of non-denatured soybean extracts in skincare, suggesting potential roles in skin lightening, anti-aging, delaying hair growth, and photoprotection, but it reports no new clinical results.
January 2022 in “Clinical Cases in Dermatology” This article reviews the role of micronutrient deficiencies in idiopathic alopecia and suggests that diets rich in protein, vegetables, and soy may support hair growth, though it reports no new clinical findings.
September 1989 in “Neuroscience letters” This review discusses the role of biotin in metabolism and its dietary requirements, but provides no new experimental findings.
71 citations
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September 2007 in “Cancer” This review discusses various prostate cancer prevention strategies and reports no new clinical results; the authors highlight the need for ongoing research in this area.
158 citations
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May 1968 in “The journal of nutrition/The Journal of nutrition” This study found that severe zinc deficiency induced in weanling rats led to growth retardation, hair issues, and dermal lesions, all of which were completely reversed by zinc supplementation.
1 citations
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January 2018 This review discusses factors affecting thyroid function and Hashimoto's thyroiditis, mentioning treatment options, but reports no new clinical findings; the need for nutrient consideration is emphasized.
2 citations
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January 2023 in “Journal of Dermatology” This study reports that various types of alopecia, including permanent alopecia, can persist after an acute DRESS episode, but telogen effluvium and alopecia areata showed clinical improvement with treatment within six months.
29 citations
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March 2011 in “The Journal of Nutritional Biochemistry” Eating isoflavone can help mice grow hair by increasing a growth factor.
25 citations
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September 2013 in “Journal of thoracic oncology” In this animal study, soy isoflavones were found to protect lung tissue from the adverse effects of radiation, such as skin injury, inflammation, and fibrosis, suggesting a potential radioprotective benefit.
June 2015 in “Journal of the turkish academy of dermatology” This review revisits the principles regarding the critical role of diet and nutrition in managing certain skin diseases but reports no new findings.
4 citations
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January 2022 in “Open Health” This article discusses the challenges in treating PCOS, highlights the role of lifestyle interventions, and notes the lack of effective treatment beyond symptomatic management for this common reproductive health issue.