Melmac is a Penis Envy descendant with a look all its own and a reputation for going deep. It is potent, immersive and best handled by people who already know their way around a trip.
Find your Melmac dose
Lab-based estimateThis strain averages about 0.98% total tryptamines against roughly 0.9% for a typical cubensis, so the ranges below are scaled to it. Pick how far you want to go:
These are relative starting ranges, not a measurement of your bag. Potency swings two to four times between batches of the same strain. Start at the low end, wait at least 90 minutes before judging, and do not redose the same night.
Numbers: strain averages from Oakland Hyphae Psilocybin Cup lab results where available; gram ranges adapted from Psychedelic Support’s dosing guide. Taking medication or new to all of this? Talk to a health professional first. Not medical advice.
What It Looks Like
Melmac is easy to pick out of a lineup. The caps sit low and close to a thick, warped stem, and fresh specimens are lumpy enough that plenty of growers make the obvious joke about what they resemble. That twisted shape comes straight from the PE genetics.
- Size: bigger than standard Penis Envy, with stems around 6 to 8 inches (15 to 20 cm) long;
- Cap: deep golden, hugging the stem, with a slight wave near the edge and a diameter of roughly 1.5 to 2 inches (3 to 5 cm);
- Stem: pale white, sometimes tinged yellow, and noticeably gnarled.
The name is a nod to the home planet of Alf, the alien from the old American sitcom. One look at a fresh flush and the “came from outer space” theory starts to make sense.
Where It Comes From
Like most cubensis strains, Melmac has no clean paper trail, just a few competing stories. The common thread is Penis Envy, which Terence McKenna is credited with collecting in the Amazon in the early 1970s and passing to mycologist Steven Pollock, who stabilised its genetics.
From there accounts diverge. Some point to further work by grower Richard Gutierrez, others to the Homestead company running Melmac out of PE stock over many generations. There is even a tidy conspiracy version: Melmac simply is Penis Envy under a new label. What everyone agrees on is that Melmac earned its own name by holding onto a distinct set of physical traits flush after flush.
How to Take It
Psilocybin converts to psilocin in your stomach, and those are the two compounds doing the work, so the simplest route is to just eat the mushrooms. The taste is earthy, a little flour-like and chewy, which not everyone loves.
If the flavour is a dealbreaker, a few things help without touching potency:
- Fold the mushrooms into a cold dish like a salad or a snack;
- Chop them small so they go down fast;
- Chase them with something you actually like the taste of.
If chewing dried caps holds no appeal at all, the same psilocybin comes in far friendlier formats. Our psilocybin chocolate bars do the job and taste like dessert.
Effects to Expect
First effects tend to arrive around 30 minutes in, peak somewhere between 60 and 90 minutes, and taper off over roughly 6 hours. What you actually feel depends on you, your setting and how much you take. In broad strokes, the intensity climbs like this:
Light
- Sharper focus and a productivity lift;
- Less fatigue and anxiety;
- Steadier read on your own emotions;
- A more social, talkative mood.
Moderate
- Subtle shifts in perception: breathing edges, sparkle, extra sensitivity to light;
- A clear creative boost;
- Gentle euphoria and altered sense of time;
- Deeper introspection, sometimes a genuinely personal or spiritual thread.
Strong
- Full visual hallucinations and heightened senses;
- Easier self-analysis and a big jump in empathy;
- Open, out-of-the-box thinking;
- Lightness in the body, occasional dizziness.
Melmac carries roughly two to three times the psilocybin and psilocin of an average cubensis, so at the top end it moves quickly from intense to overwhelming, ego loss and all. That ceiling is for seasoned trippers only. If you are new to this, Melmac is not where you start. The heaviest doses can hand an inexperienced user a genuinely rough ride, so there is no shame in stopping well short of it.
When to Reach for It
Like Penis Envy, Melmac leans heavily into the head rather than the body, which shapes where it fits best. A few situations people tend to save it for:
- Creative work. The shift in perspective loosens up stale thinking and tends to surface ideas from unexpected angles.
- Quiet introspection. In a calm, meditative setting it turns the volume up on self-reflection and a sense of being part of something larger, which some people find genuinely clarifying.
- Time outdoors. A slow walk through a park or the woods makes the connection to your surroundings do the heavy lifting.
- Music and art. Old favourites reveal details you have walked past a hundred times.
None of that is a guarantee. Mindset, setting, dose and intention decide whether a Melmac session lands well, so give it the respect it asks for, ideally with a trip sitter nearby.
Staying Safe
A few rules keep a strong strain like this on the rails:
- Skip alcohol and other drugs, especially anything that acts on your nervous system. Mixing invites trouble.
- Start low and go slow. Take a small amount, see how you respond, and build up over future sessions rather than within one.
- Clear your schedule. A trip runs 6 to 8 hours, so block out the day and leave room afterward to rest and process what came up.
Everything above assumes a good headspace and a calm, comfortable place with people you trust. Get those wrong and even a modest dose can turn on you.
Similar Strains
If Melmac sounds like a lot, or you just want to widen the shelf, these are the closest neighbours worth a look.
Tidal Wave
A Penis Envy and B+ hybrid that took the 2021 Psilocybin Cup and ranks among the most potent strains going. Since both trace back to PE, think of it as Melmac dialled up.
Penis Envy
The parent strain, and very close in character. PE tends to carry even more psilocybin, so the trips hit harder still.
Mexicana
The opposite end of the scale: relaxed, colourful and gentle. This is the mushroom humans reportedly reached for first, long before it spread west.
Albino Melmac and Jack Frost
Two names that come up whenever Melmac does. Albino Melmac is the same mushroom stripped of pigment: identical effects, whiter and arguably prettier. Jack Frost is a more distant relative, a cross of True Albino Teacher and Albino Penis Envy that trades intensity for a smoother, more even ride.
Golden Teacher
The pick for a smooth, low-stress session with plenty of introspection. Forgiving enough for newcomers and a reliable guide into the deeper end.
Want the full range of dried mushrooms in one place? Browse the magic mushrooms collection.












Mike S. –
This superior strain needs to be approached cautiously but once you find your correct dosing – it s an extremely pleasant experience. As always – be in a good head space and your time with Melmac will be enjoyable. Just takes a bit of adjustment adapting to inanimate objects having the appearance of moving. A curious, non-threatening side effect.
Denis B. –
Powerful
Chris L. –
Had to lower my dose from 2g to 1.2g and then it was perfect.
Chlsy S. –
The best — My bf and I did lots of experiments with different kinds and Melmac is by far our favourite. Very potent and gives us a wave of enjoyment! We have stuck with this one for a while now and continue to love it more each time.
Shane M. –
Will not disappoint — It doesn’t matter if you micro or heroic dose you will not be disappointed. Micro dose gives you a happy, calm high while enhancing colours and shapes. A heroic dose will make you giggly, happy, full of life. You will definitely feel like you’re on the planet Melmac.
Jill S. –
Melmac felt strong and colorful with a rounded peak.
Sean H. –
Great one with clear visuals and minimal nausea for me.
Ruby T. –
Potent and clean with a very pleasant afterglow.
David P. –
This one is reliable and has a warm euphoric tone.
Tara C. –
Strong visuals at a moderate dose. This one deserves respect.
Jon K. –
Good quality but I needed a lower dose than usual.
Sonia B. –
Excellent batch and easy to recommend to experienced users.
Cole N. –
Took 1.5g and had a very relaxed introspective trip. Nice and steady.
Cole M. –
Potent effects and a clear afterglow the next day.
Anonymous (verified owner) –