What vitamin deficiency causes dark armpits? The surprising nutritional connection
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4 min read
While many people experience dark armpits due to friction or shaving, a significant number of cases are caused by underlying nutritional deficiencies. A deficiency in vitamin B12, in particular, is a recognized cause of skin hyperpigmentation. Investigating **what vitamin deficiency causes dark armpits?** reveals how diet can profoundly impact skin health.
