1 citations
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January 2013 in “Nasza Dermatologia Online” This case report describes reversible hypopigmentation of hair in a child due to vitamin B12 deficiency, which improved after vitamin B12 supplementation.
April 2024 in “International Journal of Advanced Research” In this case-control study, researchers observed that vitamin B12 deficiency was significantly associated with diffuse hair loss and muco-cutaneous pigmentation in patients, suggesting these may serve as clinical markers for dermatologists to consider when diagnosing vitamin B12 deficiency.
5 citations
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August 2015 in “Sultan Qaboos University medical journal” This case report highlights an atypical presentation of vitamin B12 deficiency in a 28-year-old man with reversible symptoms including localized hand hyperpigmentation and megaloblastic anemia, resolved after B12 supplementation.
4 citations
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January 2011 in “Journal of Cosmetics, Dermatological Sciences and Applications” This study demonstrated that vitamin B12 may promote hair growth in vitro by modulating intracellular signaling in the wnt-pathway, suggesting potential benefits for micrograft transplantation.
August 2024 in “Journal of the Association of Physicians of India” This study examined 1,992 patients at a hospital in India for signs of B12 deficiency and found common symptoms included hair loss, poor memory, and weakness. The study also reported that adding vitamin B12 powder to prepared food could improve blood levels of the vitamin.