There are a lot of helpful items for brain performance in there, but Vinpocetine is the only one that appears to be a specific form of a PDE inhibitor, and it is a PDE1 inhibitor.
6 posted on 03/30/2023 6:11:11 AM PDT by ConservativeMind
(Trump: Befuddling Democrats, Republicans, and the Media for the benefit of the US and all mankind.)