Acne is linked to vitamin B12 deficiency.
January 2020 in “Veterinary world/Veterinary World” The natural topical treatment improved rabbits' skin and hair condition.
September 2019 in “Journal of Investigative Dermatology” Retinol significantly reduces neck wrinkles.
August 2022 in “International Journal of Health Sciences (IJHS)” Low levels of zinc, ferritin, and vitamin B12 are linked to severe hair loss in pregnant women during their last two trimesters.
14 citations
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October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.
7 citations
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December 2020 in “Pharmaceutics” A mix of tocopherol acetate and L-menthol helps grow hair better than using them separately or using minoxidil.
1 citations
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March 2020 in “Functional foods in health and disease/Journal of functional foods in health & disease” OM-X® helped prevent negative effects of Vitamin C deficiency in mice, suggesting it could protect organs and regulate metabolism.
October 2023 in “Dermatology practical & conceptual” Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
February 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher leptin and lower vitamin D levels may contribute to male pattern baldness.
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.
35 citations
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January 2013 in “International Journal of Trichology” Kids with early graying hair often have low levels of calcium, ferritin, and vitamin D3.
15 citations
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September 2006 in “Journal of International Medical Research” Nourkrin® significantly increased hair growth and was well-tolerated by people with hair loss.
13 citations
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February 2016 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.
11 citations
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June 2020 in “Russian Open Medical Journal” Lower ferritin and serum iron levels may be linked to melasma.
10 citations
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January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
7 citations
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August 2021 in “Open Access Macedonian Journal of Medical Sciences” The VDR gene polymorphism does not affect BDNF levels in autoimmune thyroiditis and hypothyroidism patients.
7 citations
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June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
4 citations
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July 2017 in “Archivum Immunologiae et Therapiae Experimentalis” Retinol may affect immune responses in people with frequent skin boils.
3 citations
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March 2020 in “Dermatology Research and Practice” Tracnil™, a mix of myo-inositol, folic acid, and vitamin D3, safely reduced acne, improved excessive hair growth, and fixed irregular periods in overweight women with PCOS.
2 citations
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December 2015 in “Journal of dermatology research and therapy” People with Chronic Telogen Effluvium mainly have lower iron levels compared to healthy individuals.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
January 2025 in “International Journal for Research Trends and Innovation” The polyherbal hair oil promotes hair growth effectively and is safe for use.
June 2024 in “jurnal ABDIMAS Indonesia” Vitamin D education and supplementation improve hair health in the elderly.
November 2023 in “Dermatologic therapy” The scalp serum reduced scalp discomfort and symptoms without affecting skin moisture loss.
August 2017 in “Journal of epidemiological research” Cancer rates are increasing in developed countries, with estrogen, aging, low vitamin D3, and HPV infection as common causes.
August 2013 in “Pharmacy Today” Viviscal may modestly improve hair loss in women without adverse effects.
4 citations
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December 2020 in “Current sports medicine reports” Athletes usually get enough vitamins and minerals from a healthy diet, and supplements are only needed for those with actual deficiencies.
February 2024 in “Sohag Medical Journal” Various local treatments for alopecia areata show promise, but individualized plans and more research are needed.
71 citations
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August 2019 in “The journal of sexual medicine” Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.