September 2025 in “Animals” In this study, cats fed trace minerals complexed with lysine and glutamic acid displayed temporary improvements in hair loss and dander scores at 45 days, compared to those receiving inorganic trace minerals, although no differences were seen by day 90.
January 2025 in “Journal of Cosmetic Dermatology” This study suggests that addressing hormonal, stress, and metabolic factors with vitamins, minerals, and botanicals, which has improved hair growth in women, might also benefit men experiencing hair thinning.
November 2025 in “Frontiers in Veterinary Science” In this study, zinc supplementation at 2.00 g/camel/day improved hair growth in lactating camels but did not affect milk production, while for calves, doses of 0.50–0.75 g/camel/day enhanced growth and hair development.
5 citations
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September 2017 in “Plastic and Aesthetic Research” This study aimed to assess whether using minoxidil alongside nutritional cyclical supplements could boost hair regrowth without antiandrogens or enzyme blockers, focusing on hair root strengthening. Results are not reported.
4 citations
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January 2020 in “Hair Therapy & Transplantation” This study reviewed the relationship between nutrients and hair loss, emphasizing that individual nutritional deficiencies require specific attention for effective non-pathological treatment, rather than relying on generic dietary supplements often based on tradition or commercial reasons.
3 citations
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February 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
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.
1 citations
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August 2021 This study examined Instagram posts advertising dermatological supplements and found many lacked detailed ingredient information and made unverified health claims, potentially influencing consumer trust and highlighting the need for dermatologist engagement on social media.
This source highlights concerns about the safety and efficacy of dietary supplements marketed for hair loss, citing a lack of FDA testing and potential risks such as adverse side effects, interference with medical tests, and withholding of ingredient information.
1 citations
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May 2021 in “Research journal of topical and cosmetic sciences” This study observed that taking 500mg/day of Microcore’s Muttaijow ComplexTM for 12 weeks significantly improved the appearance of skin, hair, and nails in healthy middle-aged adults.
January 2026 in “Updates in clinical dermatology” Proper nutrition and alternative therapies can help manage hair loss.
August 2025 in “http://isrctn.com/” The supplement may improve hair growth and skin health with some mild risks.
January 2020 in “Journal of Cosmetics, Dermatological Sciences and Applications” In a 3-month study, over 90% of healthy women experiencing self-perceived hair thinning reported that the nutritional supplement DEEPLY ROOTED improved their hair growth, volume, and quality, without significant adverse effects.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that zinc supplementation at 2.00 g/camel/day improved hair growth in lactating camels but did not affect milk yield or hump morphology, while 0.50–0.75 g/camel/day enhanced weight gain and hair development in calves.
October 2025 in “Journal of Drugs in Dermatology” This study suggests that topical caffeine may be a safe and promising treatment for hair loss, but the researchers highlight the need for more large-scale randomized trials to confirm its efficacy.
February 2024 in “Cosmoderma” This perspective highlights the ongoing debate on the efficacy and safety of micronutrient supplementation for hair loss, emphasizing that, without documented deficiency, such practices may lead to toxicities and unintended medical consequences, warranting further research to clarify their role.
May 2021 in “Research journal of topical and cosmetic sciences” In this study, oral supplementation of Microcore’s TrichovitalsTM significantly improved the appearance of facial skin, hair, and nails over 12 weeks in healthy middle-aged adults compared to a control group.
5 citations
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September 2017 in “Journal of Cosmetic Dermatology” This review of clinical data found that an oral marine supplement increased hair growth and thickness while reducing hair loss in women and men with thinning hair, suggesting it is a safe and effective treatment.
July 2025 in “Cosmoderma” In this study, a 90-day course of a plant-based supplement significantly improved hair density, skin hydration, and nail growth among participants with dermatological concerns, while also reducing hair fall and pigmentation, without adverse effects.
December 2021 in “Trichology and cosmetology:” This study demonstrated that a daily oral supplement of 1000 mg Kera-Diet® improved hair and nail conditions in women experiencing acute telogen effluvium and brittle nail syndrome over three months.
January 2021 in “Figshare” This study found that metformin may promote hair follicle regeneration by enhancing dermal cell activity in an in vitro mouse model, suggesting potential for treating pattern hair loss.
November 2025 in “Journal of Clinical Medicine” This study found that a novel drinkable supplement significantly increased hair density and reduced hair shedding over six months in women with telogen effluvium, although the authors emphasize the need for larger, placebo-controlled trials to confirm these promising results.
9 citations
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January 2014 in “Molecular Genetics and Metabolism Reports” This study discovered that a specific G to C mutation in the ornithine aminotransferase gene is linked to the retarded hair growth phenotype in mice and may serve as a model for human gyrate atrophy.
29 citations
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February 1987 in “General and comparative endocrinology” This study found that in male badgers, seasonal molting and hair growth are influenced by cycles of plasma testosterone and thyroxine, with hormones affecting the timing and progression of these processes.
March 2024 in “Journal of functional foods” This study found that both marine and bovine collagen peptides may help prevent hair loss by supporting epithelial hair follicle stem cell functions, with marine peptides maintaining hair in the growth phase and bovine peptides increasing stem cell presence in hair follicle regions.
April 2018 in “Journal of Investigative Dermatology” This study found that women taking a daily oral supplement with omega-3 fatty acids, phytonutrients, and antioxidants for 14 weeks reported perceived improvements in hair growth, strength, and moisturization.
January 2023 in “Figshare” This study observed that microneedling-induced microinjury promotes hair growth via a TNF-α, Wnt, and VEGF pathway, while blocking TNF-α inhibits this process.
July 2004 in “Journal of the American Dietetic Association” Many Korean preschool children have low zinc levels, which may affect their growth, and zinc supplements could help.
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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September 2011 in “Livestock science” This study found that maternal Nano-Se supplementation in cashmere goats improved antioxidant status and promoted secondary hair follicle development in fetuses at 110 days.