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First Mescaline Experience – 500 mg rectal (synthetic mescaline sulfate)

m.w.r.labs

The Solitary Alchemist
Setting: open-air mountain rave, ~2500m altitude
ROA: rectal (dissolved in water, ~5 ml total), retained
Dose: 500 mg of 98.7–98.8% pure mescaline sulfate (confirmed lab-grade)
Set: solo, sober, intention was observation


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I took the dose around noon, rectally, with the entire liquid volume retained for the full duration. The first hour felt almost inactive — I was calm, alone, waiting for the music to begin, smoking a few joints. A vague body sensation appeared, but nothing significant.

Around the 2-hour mark, I had to move my car, which was parked uphill — suddenly it wouldn’t idle anymore. I had to drive it down into a valley with no guarantee it’d make it back up. As I parked, the mescaline hit — hard. Visuals weren’t classic "hallucinations", but the world became completely liquified, like an oil painting drenched in water. Boundaries between objects dissolved. Everything pulsed.

A sort of paranoia hit. I was on a remote mountain, alone, the car failing, and waves of energy crashing in. I couldn't risk driving anymore — power steering loss on a winding descent could be dangerous in that state. So I sat in the car and smoked heavily: ~5–6 g of hashish and ~4–5 g of Nicotiana rustica. Eventually, the anxiety faded, replaced by a stimulant-like energy.

I went back to the dance floor for a couple of hours. The music felt inside me — not euphoric like MDMA, but resonating in my skull, like my bones were vibrating in tune. Very physical, very focused.

After dancing, I ate a sausage sandwich and went back to the car for more hash. The moment I left the dance area, the psychedelic field returned with full force. In the quiet, geometry exploded into my visual field — like what I tried to sketch below:


Everything became grey-toned, soft fractals layered over the world. I reclined in the driver's seat and... vanished. Not an ego death — more like a suspended consciousness. I was there, but no response to stimuli, just watching the geometric veil unfold on the car roof, for what felt like eternity.

At some point, a few people knocked on my window asking if I was okay. That "broke" the state. I began talking with them — they were using MDMA and coke, and offered me small lines (I accepted a few tiny amounts sprinkled on joints, maybe ~30 mg total across 3 joints). Nothing remarkable happened from that.

We talked until 10 PM — mostly about growing cannabis. Then back to the dancefloor. At this point, the effects were different: mentally alert but physically drained, like a stimulant come-down. Still enjoyable, but heavy on the body. I danced till 2 AM, then collapsed in the car and slept a couple hours.


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Reflections

The rectal ROA worked perfectly. No nausea at all. Come-up was slow but intense, with zero vomiting or cramps.

The bodyload is real — not painful, just heavy, dense, like a gravitational pull inward.

No true ego death, but a suspended self, passive and quiet. Unlike DMT, LSD, or mushrooms — mescaline here felt like full presence without reaction.

Setting plays a massive role. In noise: stimulating. In silence: highly psychedelic.

This was my first mescaline experience ever.



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Would definitely repeat in a calmer setting. The compound has huge potential, but it demands respect and preparation. A mountain rave wasn't ideal — but it taught me a lot.

— ERRI —
(The Solitary Alchemist)
 

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It's not so much about setting, mescaline trip has 3 quite distinct stages: 2-3 h comeup, then 3-4 h phase, when you feel stimulated, it's similar to MDMA, good for dancing or hiking. Next hours, which is the last phase is much less active, very inward psychedelic experience. Laying is often only option.

Ime it's quite important what you eat during the experience, various foods add different "colour" and energy to it. I would recommend to eat just some light food.
 
It's not so much about setting, mescaline trip has 3 quite distinct stages: 2-3 h comeup, then 3-4 h phase, when you feel stimulated, it's similar to MDMA, good for dancing or hiking. Next hours, which is the last phase is much less active, very inward psychedelic experience. Laying is often only option.

Ime it's quite important what you eat during the experience, various foods add different "colour" and energy to it. I would recommend to eat just some light food.
Not sure I can totally agree — even if I only had one mescaline experience so far, I noticed the psychedelic inwardness would instantly take over the moment my mind wasn’t busy with external stimuli.

It wasn’t strictly phase-bound: the moment I stopped dancing or interacting, the visions would reappear, almost like a background process waiting to resume.

Could’ve been just a personal reaction or a specific batch — I’ll keep testing and see if patterns emerge.

And yes, I’ll definitely try eating lighter next time. Curious to explore that angle t
oo. 🙏 Thanks for the advice, are much appreciated
 
Ofc, external stimuli or more general your behaviour are very important factors. Mescaline is specific in that it allows you to switch mental states based on your decision/actions, but this is more prominent in second phase. In third phase, inwardness is dominant and body stimulation is no longer there.
DMT or mushrooms are different, they are much more dominant over your mental state.

Ime it's best to eat some juicy fruit as a first food. I prefer apple, kiwi or tomato.
 
Ofc, external stimuli or more general your behaviour are very important factors. Mescaline is specific in that it allows you to switch mental states based on your decision/actions, but this is more prominent in second phase. In third phase, inwardness is dominant and body stimulation is no longer there.
DMT or mushrooms are different, they are much more dominant over your mental state.

Ime it's best to eat some juicy fruit as a first food. I prefer apple, kiwi or tomato.

Ofc, external stimuli or more general your behaviour are very important factors. Mescaline is specific in that it allows you to switch mental states based on your decision/actions, but this is more prominent in second phase. In third phase, inwardness is dominant and body stimulation is no longer there.
DMT or mushrooms are different, they are much more dominant over your mental state.

Ime it's best to eat some juicy fruit as a first food. I prefer apple, kiwi or tomato.
Sorry for the late reply, was a hard weekend hahaha; and yeah, I actually noticed that too — like I could choose when to enter the vision, especially if I stopped moving and just sat quietly. It felt like the visuals were always there, waiting behind the noise.


And yeah, totally agree about DMT and mushrooms — they just take over no matter what, while mescaline gives you more space to move around.


I’ll try with some fruit next time, wild blackberry looks like my way to go I guess. Thanks!



 
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