Toyoda Y, Takada T, Saito H, Hirata H, Ota-Kontani A, et al. Identification of Inhibitory Activities of Dietary Flavonoids against URAT1, a Renal Urate Re-Absorber: In Vitro Screening and Fractional Approach Focused on Rooibos Leaves. Nutrients. 2022;14. doi:10.3390/nu14030575