May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Vitamin D3 is a safe and effective alternative to steroids for treating alopecia areata, with fewer side effects.
Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
September 2023 in “Minia Journal of Medical Research” Intralesional vitamin D3 is a safe, effective treatment for patchy alopecia areata.
Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
April 2019 in “Journal of Investigative Dermatology” New vitamin D3 forms need the vitamin D receptor to reduce fibrosis in human cells.
December 2017 in “Elsevier eBooks” The vitamin D receptor helps maintain hair and bone health even without binding vitamin D.
July 2016 in “Journal of Dermatology and Cosmetic” Many people with hair loss have low vitamin D levels.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
The vitamin D receptor has many roles in the body beyond managing calcium, affecting the immune system, hair growth, muscles, fat, bone marrow, and cancer cells.
October 2004 in “Radiotherapy and oncology” Active vitamin D3 might protect hair follicles from radiation damage.
25 citations
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March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.
18 citations
,
June 2012 in “Archives of Dermatological Research” Vitamin D boosts a specific protein in skin cells linked to hair follicles.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
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.
December 2025 in “Çukurova medical journal (Online)/Çukurova medical journal” Certain genetic markers and low vitamin D3 levels are linked to male pattern baldness.
January 2024 in “Fitoterapia” Vitamin D3 is crucial for immune and bone health, with most consumers being women who follow doctor advice.
January 2021 in “Medical Research Archives” Genetically modified rats help reveal how vitamin D affects bone and skin health.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
271 citations
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September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
148 citations
,
May 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice without the vitamin D receptor are more prone to UV-induced skin tumors.
100 citations
,
August 2011 in “Journal of Investigative Dermatology” Lack of vitamin D receptor increases skin tumor risk by boosting hedgehog signaling.
98 citations
,
February 2010 in “Dermatology Online Journal” Vitamin D may help treat hair disorders.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
78 citations
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November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
70 citations
,
November 1984 in “Cell & tissue research/Cell and tissue research” Vitamin D3 affects cell differentiation in specific skin areas.
62 citations
,
January 2009 in “Biochemistry” Vitamin D receptor binds similarly to natural and synthetic ligands, affecting gene regulation.
51 citations
,
September 2008 in “Journal of Investigative Dermatology” Vitamin D receptor may help protect against UV-induced skin cancer.
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.
37 citations
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October 2021 in “Nutrients” Vitamin D might help regulate insulin in the body, but taking Vitamin D supplements doesn't clearly prevent or improve type 2 diabetes. More research is needed.
31 citations
,
July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.