Absolutely. It can help make me feel all is great with the world, to almost knocking me out in 30 seconds or so.
It manages the blood Sugar well, enough to get me solid sleep and general good feeling, but too much knocks me out. I'm trying to learn how to use it now, especially in conjuction with niacin.
This is a long buried thread so I'll PM this to you as well. I'd be curious what you learned.