PSILOCYBIN (mushrooms), LSA (morning glory, hawaiian baby woodrose), DMT (yopo, DMT brews like ayahuaska, ...), MESCALINE (peyote, ...), LSD, DPT, BUFETININ, MUSCIMOL, IBOTENACID. there's a LOT more but i consider mushrooms, the cactii and LSD the safest.