The psychedelic reference, done right

Knowledge reduces harm.

The definitive field guide to psychedelics — 46 substances with clinically-grounded dosing, effects, and duration. Researched, current, and built for people who’d rather know than guess.

46 documented varieties 4 substance families 24/7 crisis resources

The case for knowing

Psychedelics are moving into the mainstream — clinics, research, regulated programs. The people exploring them deserve the same quality of information as the institutions studying them.

The substance index

Four families.
Fully documented.

Every entry: effects, onset, duration, intensity, and interaction risk — sourced and kept current. The full catalog lives in the app.

  1. 01 Psilocybin Mushroom species — the most documented path, from gentle introductions to profound, ego-dissolving doses. 37 varieties Beginner → Experienced
  2. 02 Ketamine Dissociative and clinically studied — where context, dose, and setting matter more than almost anything else. 4 forms Caution advised
  3. 03 Mescaline Peyote, San Pedro and Peruvian torch — long, deliberate, deeply ceremonial experiences measured in hours. 3 cacti Long duration
  4. 04 Ayahuasca A potent traditional brew with real medication-interaction risks — where preparation is the whole safety margin. 2 brews Interaction risk

The fundamentals

Four fundamentals that change outcomes.

Whatever brings you here, these four hold up across every substance and every setting.

  1. 01

    Test what you take

    Reagent and fentanyl testing turns the single biggest unknown into a known. We tell you how, plainly.

  2. 02

    Start low, go slow

    Honest onset and duration data so dosing is a deliberate decision, never a guess.

  3. 03

    Set and setting

    A trusted sitter, a safe space, and a clear mind change outcomes more than any substance choice.

  4. 04

    Know the exits

    Interactions, warning signs, and crisis lines — surfaced before they’re ever needed.

If you need help now

Support is always one tap away.

You don’t have to be in immediate danger to reach out. These lines are free, confidential, and staffed around the clock.

Carry it with you.

The full index, safety guides, and crisis resources — in your pocket, offline-ready, free.