“Screening Method”
Fitness for Purpose
The method must be able to screen known and
unknown (unexpected) PDE5 inhibitors in various
dietary supplement matrices.
“Identification/Determination Method”
Fitness for Purpose
The method must be able to identify known and unknown
(unexpected) PDE5 inhibitors in various dietary supplement
matrices. Ideally, the method should combine targeted and
non‐targeted approaches, with the ability to quantitate
PDE5 inhibitors for which reference standards are available.
