From: Non-linear plasma protein binding of cannabidiol
CBD Total concentration
CBD Unbound fraction*
100 µg/mL
0.06 (0.001)
6%
150 µg/mL
0.045 (0.0007)
4.5%
200 µg/mL
0.042 (0.001)
4.2%
250 µg/mL
0.048 (0.002)
4.8%
300 µg/mL
0.105 (0.005)
10.5%