83 citations
,
April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
21 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
16 citations
,
January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
10 citations
,
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.
7 citations
,
January 2016 in “Hair therapy & transplantation” People with early graying hair often have lower levels of iron, ferritin, and calcium.