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Phenethylamines The Small & Handy 2C-EF Thread

I have some 2c-ef coming soon, but was wondering about dosages. So far, I've seen reports that it's similar to 2c-e with regard to dosage, but I wanted to see if anyone could confirm that, especially for powder and not the pressed pills. I'm a bit of a hard head, so my 2c-e doses are a bit on the heavy end (around 25-30 mg). I'm thinking about starting with a 20 mg dose and seeing how it goes, but I'd rather not have an underwhelming experience. I guess I could always supplement with some insufflated 2c-b, but for the first time, I usually like to have a "pure" experience.
 
Had a very chill and relaxed afternoon on 5mg 2c-ef. It took quite a while to come up.

There was already some body load but nothing too distracting.

Solid +2

I think 7.5mg will be plenty for me next time.
 
Oral. Half a 10mg blue pellet.
I suspect these are from Lizard Labs originally.
 
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If the contents of the scored blue presses are 2C-EF *and* if all of the circulating scored blue presses contain the same material, then they may a little erratic in how they're dosed based on reports I've been reading. Doses seem all over the place, with some people thinking that a half tablet is plenty, while others think 4x as much is dull.

That said, it's a phenethylamine (which can be underwhelming for people that aren't familiar with them) and it's a 2C-x (which can have wildly variable dose-response relationships anyway. I hate presses, because we're unlike to ever know dosages unless someone sends off several for quantitative analysis.
 
Doses seem all over the place, with some people thinking that a half tablet is plenty, while others think 4x as much is dull.

F&B may think that, I think differently. For a full on experience I'd begin at 15 & work up as you get a feel for the material.

Although I wouldn't trust the pressies either, it may be 2C-EF's fault.
 
Here’s my experience with 2C-EF (powder).

This took place in November of 2024.

obtained 100mg 2C-EF, no food in over 5-6 hours, no other psychoactive compounds actively in my system, at home.
it’s white powder with the consistency of flour.
+0 (445pm): dosed 16mg of powder orally with some water.
+15min (5pm): waiting for the come up. not worried bout anything, tried to put any expectations aside in order to try and give a honest report. In a controlled setting with various entertainment.

+1hr (545pm): body feels heavy and light ? it has that “lightness” feeling of something like 2c-B, but still also feels heavy; “deep?”. I’m a bit cold, I’m normal to being cold but there’s vasoconstriction for sure. Safe to say I’m atleast on the come up somewhere at this point. light trails, some things are more defined (patterns, colors, etc.), pop out , slight vibration. Nothing OEV that really makes me say woah yet, it still has time. I didn’t want to dose it too deeply as I have some responsibilities still upcoming.

+1:40 still typing. the visual effects I described are ramping up. Still heavy. Bright room lights are much more intense than normally perceived, some patterns and some objects are breathing and moving slightly. Some slight and general shifting, moving, vibrations, breathing: especially when fixated, some objects and patterns make this effect more pronounced. However you want to classify that. My bodies thermoregulation is defenitely off, so if that’s something that makes you uncomfortable maybe have a supplement? It has the effect profile of some its related 2c-x compounds: just a decent amount of pronounced vasoconstriction, a deeper body load (in say comparison 2cb). Im sure of course different doses will give you a different outcome or intensity of effects.
I’m going to take a break from reporting.

+2:30. Body load has set in mostly. Visuals are much more in depth , things are much more animated in nature.

+3:33 , everything continued from before but amplified . I don’t want to draw comparisons or be quick to, but for the sake of typing on a peak and not having any better description of what I’m currently going through at 16-17mg orally….. in regards to body load or the physical effect, it’s not something as “light” as classic pure 2cb per say, or as light as regular psilocybin. the body load feels deeper and more ingrained, closer to a 2ce, BUT it is still unique in its own way. What’s in my field of vision is distorting, drifting, vibrating, patterns and textures flow. There’s a general animation to a lot of things; most ridged shapes and text still keep their defining lines yet still somewhat meshing.

*All the physical and visual effects from the onset into the peak (& during) ramping up alongside one another, was like 2 symphonies or 2 orchestras harmonizing and gradually coming to a crescendo cohesively*
4hr:37min… continued from 3:33 mostly. But I think I had experienced the brunt or most of the immediate peak? Like to say I’m “mid journey”. what’s happening now is mostly what I described previous but the physical load of have become more “drawn out”, not as acutely intense but still there.

+7hr30min the most intense of the visual effects and aspects mostly OEV have mellowed along with the body high, but it’s still very much apparent and there and cohesive.

EDIT(S): +8hrs in, in retrospect maybe 16mg oral was a good spot to really experience the compound and what it has to offer in doses in the similar range or what can be explored even higher, especially with the limited amount I have.

+10hr:31min, safe to say have come down a decent amount. But it really slapped me around, especially the body load being on the heavier side and OEVs rich at this dose, (if you really want a comparison) it was more akin to like 2ce/2ci/2cb. I’d say come up was upward of 90 minute range possibly give or take. It really REALLY started to take off 2hr-2:30 in and built on from there.
This is my only experience with it, I still have some left, so I’ll explore it again sometime probably.

: extra notes and thoughts : I still very much so had laughter and smiling at the slightest things especially coming up, but did get locked in a serious headspace (also considering my environment.) there’s some calm before the very lovely storm.. overall I didn’t have much nausea on an empty stomach. When shulgin was confident enough to not even have synthed it and predicted it to be good, well he was right. How good? That’s in the eye of the beholder and subjective to everyone as more reports roll in with this now that this batch has been confirmed to be 2c-ef and not a mix of 2cx compounds labeled as. 2c-ef. I don’t want to draw toooooo many comparisons to avoid clouding others judgement and expectations of those waiting to use it, really only to be used as a relatively vague reference point for safety for anyone wanting to try it.
 
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