185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
May 2020 in “Current developments in nutrition” Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.
December 2025 in “Çukurova medical journal (Online)/Çukurova medical journal” Certain genetic markers and low vitamin D3 levels are linked to male pattern baldness.
26 citations
,
February 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.
20 citations
,
November 2008 Vitamin D is important for regulating calcium, phosphate, and hair health.
1 citations
,
June 2023 in “Nutrients” Vitamin D deficiency is linked to a higher chance of metabolic syndrome in women with PCOS.
137 citations
,
April 2001 in “Journal of Clinical Investigation” Alopecia in these mice is caused by defective hair cycle communication due to missing vitamin D receptor function, not vitamin D levels.
4 citations
,
September 2021 in “Hormone and Metabolic Research” Different forms of the Vitamin D receptor can impact metabolic and hormone issues in Polycystic Ovary Syndrome.
378 citations
,
February 2020 in “Nature Reviews Endocrinology”
16 citations
,
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.
1 citations
,
January 2009 in “Trepo - Institutional Repository of Tampere University” Vitamin D may help regulate cholesterol and influence prostate cancer development.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Keyora Lycopene 23 in 1 multi-vitamin improves men's reproductive and metabolic health.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Keyora Lycopene 23 in 1 Man's Multi-Vitamin improves male reproductive health and metabolism.
1308 citations
,
March 1998 in “Journal of bone and mineral research” The vitamin D receptor is crucial for bone health and affects various body systems, with mutations potentially leading to disease.
82 citations
,
October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
45 citations
,
December 2006 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Vitamin D and its receptor are essential for hair growth, cell regulation, immune function, and heart health.
22 citations
,
October 2012 in “Journal of Investigative Dermatology” Altered retinoid metabolism in cicatricial alopecia suggests a balanced vitamin A diet may prevent the condition.
12 citations
,
January 2016 in “Endocrinology, diabetes & metabolism case reports” Testosterone therapy improved physical and social health in a male with 49,XXXXY syndrome.
1 citations
,
February 2025 in “Frontiers in Endocrinology” Diet and sunlight are important for maintaining good vitamin D levels.
1 citations
,
April 2021 in “Deneysel ve klinik tıp dergisi/Journal of experimental and clinical medicine” Women with PCOS have a higher risk of metabolic syndrome and need lifestyle changes and treatment.
March 2025 in “Clinical Cosmetic and Investigational Dermatology” The Tru9I variant in the VDR gene may influence alopecia areata risk and vitamin D levels.
July 2009 in “DergiPark (Istanbul University)” Vitamin D is essential for healthy bones, muscles, hair, and immune function.
June 2025 in “International Journal of Nutrology” A plant-based diet reduces skin inflammation, intermittent fasting supports muscle regeneration, and certain nutrients and supplements aid in healing.
107 citations
,
March 2014 in “BoneKEy Reports” Mutations in the vitamin D receptor cause hereditary vitamin D-resistant rickets, leading to poor bone health and requiring high calcium doses for treatment.
19 citations
,
March 2021 in “Obesity surgery” Many people experience hair loss after weight loss surgery, especially younger women, and it's linked to lower levels of zinc, folic acid, and ferritin.
14 citations
,
July 2022 in “Nutrients” Vitamin A is important for healthy skin and hair, influencing hair growth and skin healing, but UV light reduces its levels.
10 citations
,
February 2017 in “Hormone Molecular Biology and Clinical Investigation” Metformin effectively improves metabolic symptoms in women with PCOS, while alfacalcidiol does not have a significant impact.
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.