The Effect of Grapefruit Juice on the Pharmacokinetics of Tadalafil in Rats

Table 2

Recovery of tadalafil from rat plasma after extraction (n = 6).

Analytes	Added (ng/mL)	Recovery (%)	RSD (%)
Tadalafil	25	78.91 ± 2.42	3.07
	500	82.57 ± 2.32	2.81
IS	1500	81.21 ± 2.13	2.63
	400	83.35 ± 4.13	3.21