No, I think I'm reasonably well adjusted, psychologically, to cope with such an experience.
On the other hand, I'm Jewish and therefore constitutionally weak. I had some pretty ****ing mental hallucinations on hash cakes, - including watching an episode of Casualty and seeing my face projected onto one of the Asian doctors in the show - and assume an actual psychadelic is going to be some way above that in terms of mentalness.