Hi, Tiffany, we do give GSH right before bed, and think that is a very strategic time to offer GSH. And we do also give it right upon waking, also. I think you are going in the right direction on that.

I'll try to dig up those articles on arginine (I'm actually on my way out of town, so remind me), but in the meantime, here's Patricia Chapman's essay:
http://uvicf.tripod.com/research/ArginineGSNO.htm

We got ours in a store--we were looking for a high dose pill or capsule.