learn Vitamin D vitamin you should probably be taking for general health might also help your hair a little
research Topical Calcipotriol Versus Oral Vitamin D in the Treatment of Alopecia Areata 3 citations, March 2019 in “Fayoum University Medical Journal/Fayoum University Medical Journal ” Rubbing calcipotriol on the skin works better than taking vitamin D pills for treating mild to moderate alopecia areata.
research The Role of Anemia and Vitamin D Levels in Acute and Chronic Telogen Effluvium 11 citations, January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
community My Theory Regarding a Cause and Cure for Androgenetic Alopecia in Treatment 97 upvotes 4 years ago Hair loss theory suggests imbalance between Vitamin D Receptor (VDR) and Androgen Receptor (AR) activation. Proposed treatment includes upregulating VDR, downregulating AR, and improving mitochondrial health.