It most certainly does. Although one dose for new years isn't going to fuck you up. It does the same exact things to the body as traditional opiates do. That being said, if you're hell bent on tying one on, it's still better then messing up your Gaba A system with booze.
If combined with a gaba B agonist, such as phenibut, the phenibut will increase your sex drive and the kratom will make you last like a stalion.