“ Quercetin showed the strongest effect by improving the intracellular accumulation of ritonavir by 76.9 %.”
“… quercetin in the co-administration group and in … plasma concentration-time curve (AUC0–t) of ritonavir by 42.2 % (p < 0.05) and 53.5 % (p < 0.01), and decreased the peak plasma … < 0.05) and 45.8 % (p < 0.01), respectively, compared to the control group (ritonavir alone).”