March 2021 in “World rabbit science” This study found that taurine dietary supplementation could reduce lipid metabolism, enhance antioxidant capacity, and improve hormone levels in Angora rabbits, with 0.2% taurine increasing wool production.
September 2023 in “Authorea (Authorea)” In this case report, a 35-year-old man with androgenetic alopecia showed significant improvement in hair thickness and density after six months of conservative therapy with topical minoxidil, oral finasteride, and a gel with oligopeptides, caffeine, and taurine.
January 2025 in “Open Veterinary Journal” This case report described an 8-year-old Chihuahua with significant hair loss, where supplementation with horse placenta extract, taurine, and vitamin B complex led to marked hair regrowth and maintained coverage during a 76-week follow-up period, suggesting a potential non-invasive treatment option for alopecia in dogs.
June 2023 in “Skin Research and Technology” The researchers reported that an oral supplement containing hydrolysed fish-origin collagen, taurine, cysteine, methionine, iron, and selenium significantly improved the effectiveness of anti-hair loss treatments in people with androgenic alopecia or chronic telogen effluvium after 12 weeks, compared to drug treatments alone.
November 2022 in “Arab Gulf Journal of Scientific Research” This review discusses the potential clinical benefits and functional properties of taurine as a conditionally essential amino acid, noting its presence in energy drinks, but reports no new experimental results.
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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January 2013 in “Advances in Experimental Medicine and Biology” This study found that taurine may have potential as an anti-alopecia agent, particularly against chemical stress-induced hair loss, and could be effective when used with other treatments like finasteride.
December 2025 in “Frontiers in Nutrition” This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.
This study observed that a combination of two mineral and nutritional supplement products increased anagen-phase hair and reduced hair loss in women with androgenetic alopecia and acute or chronic telogen effluvium after four months.
7 citations
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January 2018 in “Australian Prescriber” This review discusses the presence of undeclared substances, including androgenic steroids, in sports supplements and emphasizes potential health risks, without providing new results; it advises caution and consultation on supplement use.
3 citations
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January 2017 in “Journal of cosmetology & trichology” In this clinical trial, supplementation with Lambdapil® Anti Hair Loss capsules for 6 months significantly improved hair resistance and volume in women and increased the anagen/telogen hair ratio in men, indicating enhanced hair growth compared to the placebo group.
January 2023 in “Italian Journal of Medicine” This study found that Italian nurses who worked night shifts, in non-COVID wards, and reported regular meal intake were more likely to contract SARS-CoV-2.
14 citations
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October 2020 in “Natural Products and Bioprospecting” This review discusses current topical treatments, natural products, and complementary therapies for androgenetic alopecia, but it reports no new clinical results.
98 citations
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October 2012 in “Dermatologic Clinics” This article reviews the impact of nutritional deficiencies on hair health, detailing how they can cause structural abnormalities, pigmentation changes, or hair loss; it presents no new clinical findings.
6 citations
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January 2011 in “Springer eBooks” Nutrition is important for skin health, and changing diet can help prevent and treat skin diseases.
3 citations
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May 2018 in “Journal of nutritional health & food science” This review discusses the potential of a low-dose comprehensive cyclical nutrient therapy for enhancing hair growth and strengthening hair roots, but reports no new experimental results.
December 2022 in “Clinical and experimental dermatology and therapies” In this study, the addition of a topical gel containing growth-factor mimicking oligopeptides and other ingredients showed improved efficacy in subjects with androgenic alopecia using minoxidil or finasteride compared to drug treatment alone.
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.
8 citations
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September 2021 in “Journal of Cosmetic Dermatology” This review discusses the varied levels of evidence linking nutritional supplements and antioxidants to dermatological disorders, but it reports no new clinical results and highlights the need for rigorous trials.
3 citations
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November 2024 in “Saudi Pharmaceutical Journal” This review highlights significant health risks associated with anabolic-androgenic steroid use in women and reports no new research results, emphasizing the need for further understanding of their effects on female physiology.
In this study, women with acute telogen effluvium taking the Hair’InsideTM supplement for 84 days showed significant improvements in hair regrowth, shedding, brightness, and volume compared to placebo, with no reported adverse effects.
7 citations
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May 2021 in “Dermatologic Clinics” Nutraceuticals like Ashwagandha and Astaxanthin may help with hair loss, but supplement regulation is challenging.
7 citations
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February 2017 in “Open veterinary journal” This study suggests that deficiencies in certain amino acids, like taurine and tryptophan, in artificial milk formulas may contribute to skin and eye problems in Bengal tiger cubs.
May 2024 in “Journal of Advanced Research” In this study, researchers found that the interaction between dermal papilla and endothelial cells decreases with age, affecting signaling pathways that promote hair regeneration and angiogenesis in mouse models.
16 citations
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November 2021 in “Antioxidants” This review examines the role of oxidative stress in male hypogonadism associated with noncommunicable chronic diseases and discusses various management strategies, but it presents no new clinical findings.
40 citations
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July 2015 in “Journal of Cellular Biochemistry” This study found that cysteine supplementation significantly increases keratin expression in human keratinocytes, and counteracts the negative impact of iron deficiency on keratin production by enhancing iron availability for cellular processes.
January 2026 in “Communications Biology” This study constructed a single-cell atlas of hair follicle cells from yaks and taurine cattle, revealing that differences in WNT signaling within dermal papilla cells may be key to the yak's adaptation to cold environments on the Qinghai-Tibet Plateau.
1 citations
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January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
41 citations
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March 2007 in “Journal of dermatological science” This study found that oral administration of l-cystine with vitamin B6 effectively prevents environmental cigarette smoke-induced alopecia in mice by reducing hair bulb cell apoptosis.
15 citations
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September 2013 in “Pharmaceutical Biology” This study found that Zizyphus jujuba fruit aqueous extract may reduce nephrotoxicity caused by ibuprofen in rats by lowering serum urea and creatinine and improving kidney antioxidant enzyme activities.