Morning glory seeds, nutmeg is a great high, DXM is nice in lower doses, or you can try the dreaded benadryl trip...
you might try some of the so called legal mj substances like k2 and can be found in most headshops or on-line. most of the posts i have read claim its just a few molecules away from the real mj
nitrous is a gas derived from fertilizer, which technically could of been plant material at one time.. ima let it slide this time.....
Everyone talks about the Benadryl trip but I've never seen the appeal, or even how it would really work. Diphenhydramine is the active ingredient in sleeping pills, too...I use a pill or two every night to help me drift off. Apart from feeling tired, I don't really get much of a trippy experience from it...and I assume at any several-hundred mg dose, you'd just fall the hell asleep right off.