> “But Zoloft, Viagra, Adderall, and others do not. “Currently, there is not enough clinical evidence to require Zoloft, Viagra, or Adderall to have a grapefrui

> “But Zoloft, Viagra, Adderall, and others do not. “Currently, there is not enough clinical evidence to require Zoloft, Viagra, or Adderall to have a grapefruit juice interaction listed on the drug label,” wrote an FDA representative in an email.” There is some pretty good research on the effects of grapefruit with viagra bioavailability. https://pubmed.ncbi.nlm.nih.gov/11823754/ https://pubmed.ncbi.nlm.nih.gov/11823754/ > “Grapefruit juice changed the area under the sildenafil plasma concentration-time curve from time zero to infinity [AUC(0-infinity) from 620 [1.53] ng/ml x h to 761 [1.58] ng/ml x h (geometric mean with geometric standard deviation), corresponding to a 23% increase (90% confidence interval, 13%-33%).”