“…,NAC … D-xylose in the plasma, as well as the expression of genes for aquaporin ( AQP ) 3, AQP4 , peptide transporter 1 ( PepT1 ), sodium/glucose co-transporter-… 13 ( KCNJ13 ), and solute carrier family 1 member 1 ( SLC1A1 ) in the jejunum, demonstrating that NAC augmented intestinal metabolic activity and absorptive function.”