Acne is linked to vitamin B12 deficiency.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scurvy still occurs today and can be diagnosed by symptoms like gum bleeding and a specific rash, confirmed by low vitamin C levels.
December 2020 in “Pathology” A man's skin condition and poor diet led to a scurvy diagnosis.
October 1940 in “Clinical and Experimental Optometry” Vitamin A deficiency can cause eye problems and other health issues.
2 citations
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December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
August 2022 in “Journal of the American Academy of Dermatology” The authors agree they didn't discuss the risks of too much micronutrients and value the focus on biotin deficiency signs and treatment effectiveness.
16 citations
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February 2005 in “British journal of dermatology/British journal of dermatology, Supplement” Lack of Vitamin D receptor changes skin structure and increases certain immune cells in the skin.
Many people in Saudi Arabia use vitamin D supplements, but few experience toxicity, showing the need for professional guidance when taking these supplements.
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.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
August 2025 in “Japan Journal of Clinical & Medical Research” Many people in Misurata City have low vitamin D, especially women and those aged 35-45, with levels dropping in winter and spring.
31 citations
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July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.
18 citations
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March 2016 in “Journal of Investigative Dermatology” Vitamin D and calcium are essential for normal hair growth.
13 citations
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December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
3 citations
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April 2021 in “Cureus” Low Vitamin D is common in people with Alopecia Areata, but its impact on the condition needs more research.
1 citations
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January 2023 in “Revista Da Associacao Medica Brasileira” People with seborrheic dermatitis often have lower vitamin D levels.
Vitamin D may help improve hair growth in women with diffuse alopecia.
Lower vitamin D levels are linked to more severe hair loss in men.
More research is needed to confirm if vitamin D helps improve pregnancy rates in women with hyperandrogenic PCOS.
January 2019 in “Revista Medicina Cutánea Ibero-Latino-Americana” Vitamin D is important for skin health and can help improve various skin conditions.
December 2017 in “Elsevier eBooks” The vitamin D receptor helps maintain hair and bone health even without binding vitamin D.
57 citations
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August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
1 citations
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December 2017 in “Wound healing” Vitamin D and calcium are crucial for proper skin wound healing.
November 2023 in “Elsevier eBooks” Vitamin D affects many body functions and its interaction with microRNAs could help treat related diseases.
56 citations
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November 2012 in “Endocrinology” Vitamin D receptor is essential for proper skin healing after injury.
114 citations
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October 2017 in “American journal of clinical dermatology” Adequate vitamin D is crucial for skin health and should be considered in dermatology.
29 citations
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December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
23 citations
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October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
16 citations
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March 2019 in “Actas Dermo-Sifiliográficas” Vitamin D is important for skin health and can affect various skin diseases.