McKennaii

Psilocybe cubensis

Very Potent8/10

Named in honor of ethnobotanist Terrence McKenna, this strain delivers experiences that live up to its namesake — deeply philosophical, intensely visual, and profoundly mind-expanding. McKennaii is one of the strongest cubensis strains available.

Onset

20–40 min

Peak

1.5–3 hrs

Duration

5–7 hrs

Grow Difficulty

Intermediate

Effects

Intense geometryPhilosophical revelationsDeep introspectionPowerful closed-eye visualsAltered time perception

Experience Profile

VisualIntrospectiveSpiritual

Dosage Guide (Dried)

Microdose

0.05–0.15g

Low

0.3–0.75g

Moderate

1–2g

High

2.5–3.5g

Heroic

4g+

Best For

Deep philosophical exploration
Visual journeys
Experienced users

Safety Notes

Significantly stronger than average cubensis — start low

Origin

Netherlands — developed by Dutch cultivators

Appearance

Medium-large mushrooms with dark brown caps, sturdy stems, heavy sporulation

Gallery

Macro close-up of a dried McKennaii mushroom cap and stem (Psilocybe cubensis)

Dried McKennaii mushrooms portioned beside an apothecary scale (Psilocybe cubensis)

Dried McKennaii mushrooms in an apothecary jar — MicroDose IQ strain guide

Did You Know?

Terrence McKenna advocated for the 'heroic dose' of 5 dried grams in silent darkness — McKennaii at that dose would be extraordinarily intense.

This information is for educational purposes only. It is not medical advice. Always consult qualified healthcare professionals before making decisions about psychoactive substances.