We did it PWO and before bed. Some studies took it before workout. There are a plethra of ways to take it, but we always did PWO and before bed. Although pre wo may even work quite well.
Super Phosphatidylserine by ProSource Performance has their own brand and thats what we used. 550mg per capsule, and it wasn't priced to bad.
33 bucks for a months worth. Yes, you guys love me