September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
10 citations
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January 2013 in “TURKISH JOURNAL OF MEDICAL SCIENCES” Low vitamin D levels can lead to increased parathyroid hormone levels.
1 citations
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January 2021 in “International journal of pharmaceutical research” Low levels of ferritin, TSH, and certain vitamins are linked to hair loss in women of different ages.
January 2024 in “İstanbul Kuzey Klinikleri” Low ferritin levels are linked to increased hair loss; no link found between vitamin B12, TSH levels, and hair loss.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
17 citations
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July 2015 in “Biomolecules and Biomedicine” High Nesfatin-1 and low Vitamin D may increase blood pressure and heart rate in women with PCOS.
6 citations
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January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
August 2023 in “İzmir tepecik eğitim hastanesi dergisi” Vitamin D levels do not significantly relate to the causes of PCOS or DOR in infertile patients.
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.
16 citations
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March 2015 in “Wiener Klinische Wochenschrift” Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
November 2023 in “Biomolecules” The research showed that Vitamin D and its receptor are important for healthy bones and normal hair and skin in rats.
January 2022 in “International Journal of Medicine in Developing Countries” Many patients with hair loss had low iron and vitamin D levels, but thyroid issues were not common.
20 citations
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May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
40 citations
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April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
April 2023 in “Clinical Chemistry and Laboratory Medicine” The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
467 citations
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October 2014 in “European Journal of Endocrinology” The European Society of Endocrinology advises individualized long-term management for PCOS, focusing on lifestyle changes, accurate diagnosis, and treatments for associated health risks and symptoms.
1 citations
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December 2020 in “Harran Üniversitesi týp fakültesi dergisi” Many people with hair loss had low iron and ferritin levels.
July 2025 in “Journal of Dermatology for Physician Assistants” Specific tests may help diagnose alopecia, but their treatment impact is unclear.
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.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Hormones significantly affect hair growth and loss, with potential for new treatments.
11 citations
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May 2021 in “Journal of Medical Virology” Men are more likely to have severe respiratory viral infections like COVID-19 due to hormonal and genetic differences, while women generally have stronger immune responses.
September 2018 in “Journal of the American Academy of Dermatology” Elderly patients with CCCA were all African American with low vitamin D, but no iron or zinc deficiencies, and no hormonal imbalances compared to younger patients.
Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
91 citations
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April 2017 in “Diabetes & Metabolic Syndrome: Clinical Research and Reviews” Eating fewer calories, less sugar and refined carbs, and more low-glycemic and omega-3 rich foods can help manage PCOS symptoms.
37 citations
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August 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.
10 citations
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July 2022 in “Journal of the Turkish-German Gynecological Association” Vitamins B3, B6, C, and iron intake affect hormone levels in women with certain types of PCOS.
January 2024 in “World Journal of Biology Pharmacy and Health Sciences” High prolactin and low vitamin D levels may be linked to hair loss in women.