Is Acne a Symptom of B12 Deficiency?
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5 min read
A 2015 study in *Science Translational Medicine* revealed that high levels of vitamin B12 can alter the gene expression of skin bacteria, potentially triggering inflammation that leads to acne. However, the link is multifaceted, and while a deficiency can sometimes be associated with skin issues, it is not a direct cause of acne. In fact, excess B12, often from supplementation, is more commonly implicated in causing acneiform eruptions.
