You may have a CYP2D6 deficiency, about 1 in 14 caucasians have this.
CYP2D6 is the main enzyme responsible for the metabolism of DXM into DXO.
Most people don't enjoy the effects of cough medicine enough to repeat the experience very often.
Nullific Reviewed by Nullific on . First DXM trip Holy crap i weigh 165 lbs and i took 225mg of DXM and all i can say is this shit is alot stronger than i expected Rating: 5