June 2017 in “Journal of clinical and investigative dermatology” Red blood cell folate levels are reliable indicators of long-term folate status in alopecia areata patients.
21 citations
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January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
January 2018 in “International journal of medical biochemistry” Women with telogen effluvium have lower levels of iron, folate, and vitamin B12.
33 citations
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October 2009 in “Clinical and Experimental Dermatology” Psychological factors like depression may be more important than zinc, folate, and vitamin B12 levels in causing scalp pain in people with hair loss.
10 citations
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January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.