10 citations
,
May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
9 citations
,
November 2014 in “Journal of Cutaneous Medicine and Surgery” Many dermatologists in Saudi Arabia recommend vitamins and minerals for hair loss, often based on personal experience rather than strong evidence.
February 2025 in “Iraqi Journal of Science” PCOS patients have higher LDH and lower cortisol, dopamine, zinc, and vitamin D3, which may contribute to their symptoms and obesity.
18 citations
,
January 2004 in “Dermatologic Clinics” Skin problems in older people can indicate hormonal diseases, nutritional deficiencies, or conditions like diabetes, menopause, and HIV.
September 2025 in “Cureus” GLP-1 receptor agonists may cause hair loss, but more research is needed.
40 citations
,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
23 citations
,
September 2016 in “Archives of Dermatological Research” Vitamin D levels do not affect the risk of developing alopecia areata.
19 citations
,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
May 2022 in “Journal of the American Academy of Dermatology” The document suggests using a topical Vitamin D treatment for hair loss rather than oral supplements and calls for more research.
2 citations
,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
September 2023 in “Frontiers in medicine” The mTOR signaling pathway is crucial for hair health and targeting it may lead to new hair loss treatments.
17 citations
,
May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
11 citations
,
January 2018 in “DOAJ (DOAJ: Directory of Open Access Journals)” A 4-year-old boy with a rare type of rickets and hair loss improved in bone health but not hair growth after vitamin D and calcium treatment.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
October 2023 in “Journal of Preventive Diagnostic and Treatment Strategies in Medicine” Low ferritin and Vitamin D levels may cause hair loss after COVID-19.
September 2023 in “International Journal of Trichology” Oral Vitamin D can improve hair density and reduce hair loss in Telogen Effluvium patients.
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.
October 2025 in “International Journal of Innovative Research in Technology” Certain natural ingredients and lifestyle changes can help manage PCOS symptoms by balancing hormones and improving insulin sensitivity.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
13 citations
,
December 2016 in “Egyptian Journal of Basic and Applied Sciences” Alopecia areata patients have lower vitamin D levels than healthy individuals.
January 2025 in “Egyptian Journal of Dermatology and Venerology” COVID-19 vaccination may lower vitamin D levels and cause hair loss.
17 citations
,
July 2015 in “Biomolecules and Biomedicine” High Nesfatin-1 and low Vitamin D may increase blood pressure and heart rate in women with PCOS.
14 citations
,
November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
10 citations
,
April 2020 in “Dermatology and therapy” Calcipotriol works almost as well as clobetasol for mild to moderate alopecia areata with fewer side effects.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
3 citations
,
November 2021 in “World Journal of Clinical Pediatrics” Vitamin D might help treat some types of hair loss, but more research is needed.
March 2026 in “Nutrients” Vitamin D is needed for metformin to lower prolactin effectively.