This is a great thread and I enjoyed reading through it. Lots of good info and trip reports. I've been experimenting with bufotenine (yopo and cebil) lately myself. First I tried yopo (peregrina) and now I have cebil (colubrina) and found the effects to be similar but quite different. The cebil feels more clear headed. I read that in yopo presence of a higher quantity of compounds besides bufotenine is common, but in cebil it is usually mostly only bufotenine as the main alkaloid, not DMT or 5-Meo-DMT. Both pleasant but I like cebil more.
People report different effects (maybe by using different seeds? my 2 seeds felt of quite different character) but my experience has been mostly of what 69ron reports, very strong visual effects with little to no psychedelic mental effects or bizarre thought patterns. It's quite nice, I feel like it takes me to a similar place visually as DMT does but a bit different, more crisp and clear actually, more 3D and solid stable visions. But once the visionary part is done (totally done after 30 mins or so) there is maybe a light afterglow or light visuals that lasts around 30 more minutes for me. I've played with smoking the seeds straight as well as a full spectrum alcohol extract. Per another users recommendation, grind seeds, sodium carb + water mix and let sit few hrs stirring, then toast to dry, and pull with 95% ethyl alcohol till clear, then infused to mint. The full spectrum is quite good but I feel like there is a little bit missing that I get with the seeds. Main part of the seeds is that it's hard to smoke enough to get a really visionary state, takes many hits of harsh smoke, probably would need 5 seeds smoked in quick succession like 20 solid hits or more to equal 1 bowl pack of infused mint cleared in a few big hits. I wonder if toasting, grinding, and then freebasing the seeds with ammonia and just smoking that would work.
With the whole seeds I am always greeted by a similar visual effect or entity at first. It's this blue, tendrily, tentacley spidery thing (always happens on cebil each time, never seen this visual effect or entity thing anywhere else, I say entity because it feels to come with a sense of presence) which is nice to look at and makes a nice space. That comes at first and with a body load as well, and then once the body load gives way it seems to also visually open up into this psilocybin like visual space, kind of technological and more colorful. If I open my eyes there everything can kind of have that smooth look that shrooms can cause. Takes 5-10 minutes maybe to come up fully and then from there the visionary part lasts like 20 minutes maybe a little longer. Then an afterglow but very sober feeling. Very much back to baseline within 2 hours if not 1 hour. And I like it a lot because DMT can be back to baseline even faster, but often it's not 'baseline' truly psychologically, even if it's all out of my bloodstream and brain I can feel quite thrown off by the intense psychedelia I experienced for the rest of the day or multiple days or longer depending on the intensity. Cebil is quite clear headed during and after the experience.
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So here's an example of one of my trips to add to what's in the thread. Ate a small amount of caapi extract beforehand. I smoked two whole seeds and saw that blue spidery thing as usual with a little bit of body load, anxiolytic effects, and euphoria. Then decided I was enjoying it and wanted to smoke more so I grabbed my extract and packed a bowl and smoked it quickly, dealing with the body load/nausea which isn't that bad, I'm not sure if it's lessened over time or if I've just become accustomed to dealing with it and trusting I won't throw up. This was the most visual experience I've had with it yet. Made me want to double my dose and see how much more the space can open up. I had very clear crisp 3D visions, it almost looked like a virtual reality rather than a hallucination, I want to stress they were very clear with a solid quality and apparent depth. I saw an array/series of hard to exactly describe flowing geometric visions of what looked like different rooms of shapes and maybe some recognizable stuff like faces in there too. This part was very DMT like in the visual aspect at least, very clear kind of hyperspace looking visions, still a bit different and probably a bit less mc escher/impossible shape type stuff than DMT. The sense of depth of space was so convincing I tried moving my head to see if the visions would move with it, they seemed to change but I couldn't tell if they were moving with my head. I was playing with this when a sense of presence reminded me of my intention to heal coming into the trip. I saw this fast flash of flowing visions of different rooms and then it seemed to stabilize on one room and stay there. Very 3D looked like a room with corridors in the back, some humanoid figures, 3D geometric stuff around. Felt like kind of an operating table vibe as is pretty common, something being done to me as I lay there and observe the effects the plant is having on me. In the 3D room the main focus was one entity or figure that was harder to make out that felt like it was doing some type of work. Now one thing I will also say is I could open my eyes at any time to make this mostly stop, most of the visions only happen with closed eyes. But yeah kind of just closing my eyes looking at anything that popped up. I saw some lights in front of me flashing, they would flash over certain parts of my body, like my finger or hand, and then my hand seemed to involuntarily twitch shortly after. But it was pretty pleasant, kind of soothing and without much of any confusing mental stuff to accompany the experience. I have also noticed an antidepressant effect after all my cebil trips that just kind of feels like I'm realigned or re-energized. Good stuff I'm keen to try some more in higher doses. Definitely like the full spectrum seeds more though honestly, but it's hard to smoke enough.