Fig. 3

The mean relative bioavailability of free (unconjugated) resveratrol, resveratrol-3-O-β-D-glucuronide, resveratrol-4-O-β-D-glucuronide, resveratrol-3-O-D-sulfate and total resveratrol, T2 as a reference. n = 12, p < 0.05*, p < 0.05**, p < 0.001***.