 20 citations
,
  May 2016   in “Journal of Cosmetic Dermatology”
           20 citations
,
  May 2016   in “Journal of Cosmetic Dermatology”    Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.  
      63 citations
,
  May 2017   in “American Journal of Clinical Dermatology”
           63 citations
,
  May 2017   in “American Journal of Clinical Dermatology”    People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.  
               2 citations
,
  December 2021   in “Cureus”    Low vitamin D levels are linked to hair loss, and vitamin D might help treat it.  
      32 citations
,
  December 2017   in “International Journal of Molecular Sciences”
           32 citations
,
  December 2017   in “International Journal of Molecular Sciences”    Low vitamin D might be linked to certain types of hair loss, and supplements could help, but more research is needed.  
      September 2023   in “Frontiers in medicine”
           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.