SERMs are considered better than AIs for PCT because controlling estrogen is more important than simply crushing it buy cialis viagra Other studies have found an increase in the bioavailability of sunitinib with grapefruit juice exposure, 7 and an increase in AUC by 29 and an increase in peak serum concentration C max by 60 for nilotinib 400 mg orally was also observed when combined with grapefruit juice 240 mL