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O -glycosides (e.g., isoquercitrin) are typically hydrolyzed in the upper gastrointestinal tract to release aglycones like quercetin, while C -glycosides (e.g., orientin, vitexin), due to their structural stability, are only metabolized into absorbable forms in the colon by gut microbiota (Xie et al., 2022)
Collectively, NAM supports melanocyte function by limiting both exogenous and endogenous oxidative insults while promoting cellular repair capacity and metabolic resilience
Yes, if taken under medical supervision and proper dosage
A diagnosis of OSI is established when the concentration surpasses 200 ng/ml