Download the Free Psilocybin 101 E-book

Scroll to top
View all posts
Microdosing
Creativity
Integration

The Fadiman Protocol: James Fadiman’s Microdosing Method Explained (Updated 2026)

Written by: Chi and Nikola Straka

View all posts

The Fadiman Protocol: James Fadiman’s Microdosing Method Explained (Updated 2026)

Written by: Chi and Nikola Straka

Table of contents

Quick Summary

  • The Fadiman Protocol is the world's first standardized microdosing regimen, developed by Dr. James Fadiman.
  • It follows a simple one-day-on, two-days-off cycle using a sub-perceptual dose of psilocybin mushrooms or LSD, typically 0.1 to 0.2 grams of dried mushrooms.
  • You follow this schedule for four to eight weeks, then take a two-to-four week break to reset tolerance and integrate what you've learned.
  • It's widely considered the best microdosing protocol for beginners because it's conservative, well-documented, and has even been used in clinical trials.
  • Reported benefits include improved focus, better mood, reduced anxiety, and enhanced creativity.
  • It differs from the Stamets Protocol mainly in its schedule and the fact that it does not include any additional supplements like lion's mane or niacin.
  • James Fadiman microdosing research has influenced theentire field, if you’re new to microdosing, this is the go-to starting framework.
fadiman microdosing protocol

The Fadiman Protocol for microdosing mushrooms has attracted attention for its purported ability to improve problem-solving abilities, creativity, and general cognitive function. It's also considered one of the best microdosing regimens for beginners. Let's explore why.

Who is James Fadiman?

James Fadiman, a pioneer in psychedelic research, has left an imprint on the fields of psychology and transpersonal studies. While obtaining a PhD from Stanford University in 1965, James Fadiman was introduced to psilocybin by his friend Richard Alpert, also known as Baba Ram Dass. This marked the beginning of his profound exploration into the world of psychedelics.

Dr. James Fadiman is recognized for creating the first standardized microdosing protocol — the regulated administration of modest, sub-psychedelic dosages of psychedelics such as psilocybin or LSD.

What is the Fadiman Protocol?

The Fadiman Protocol suggests that people ingest a microdose once every three days.

The James Fadiman microdosing Protocol is well-established and some clinical trials for microdosing have used this particular microdosing regimen. This protocol is considered low-risk and suitable for beginners new to microdosing.

The Fadiman Protocol revolves around the use of either psilocybin mushrooms or LSD with the dose ranging from 5% to 10% of a standard recreational dose. For instance, if your standard dose of magic mushrooms is 2 grams, a microdose would be anywhere from 0.1 to 0.2 grams of dried psilocybin-containing mushrooms.

If you decide to go with Fadiman Protocol, you take a dose every third day followed by the two-day rest period, and continue this schedule for four to eight weeks. Of course, you are a free human being and can change or adjust as you wish. You have the power when it comes to microdosing.

Many microdosing advocates recommend that you take a break of two to four weeks after following the schedule for four to eight weeks. Your tolerance can reset and you will have time to integrate the lessons you've learned.

This resting phase is important to allow your body and mind to recalibrate. It provides an opportunity for reflection and integration of insights the microdosing regimen creates. The key is to listen to your body and mind, making sure that the protocol aligns with your overall well-being and personal goals.

graphic of two brains connecting by microdosing with fadimans protocol

The Fadiman Microdosing Protocol: Step by Step

  • Step 1: Get your microdoses. The recent wave of decriminalization of psilocybin in various cities, counties, and states has opened a door to obtain psilocybin from various sources. Make sure you do thorough research on where you're getting your psilocybin from. You can also grow your own.
  • Step 2: Take your initial dose on a day free from any significant commitments such as childcare, driving, or work. Notice how the microdose feels.
  • Step 3: Throughout the experience, practice remaining calm and paying attention to any emotional or cognitive shifts. You can also keep a journal to record your microdosing experiences. These writings can help you pinpoint the optimal dose, your "sweet spot."
  • Step 4: Adjust the dose if needed. If the desired effects were achieved, you can assume that the dose is suitable. In contrast, if the results were poor or unfavorable, increasing or decreasing your dosage may be helpful. For those working with a microdosing specialist, their guidance can be instrumental in determining the appropriate dose for subsequent sessions.
  • Step 5: Once you've established the dosage that aligns with your requirements, proceed with the Fadiman Protocol until you feel the call to adjust something.

What Are the Benefits of the James Fadiman Microdosing Regimen?

In the pursuit of cognitive enhancement and treatment of mental health conditions, people are constantly seeking new and innovative methods to find effective, sustainable solutions. While clinical studies on microdosing remain limited, a wealth of anecdotal reports demonstrate its healing potential. Let's explore the benefits of the Fadiman Protocol.

Improved Mental Health

Many individuals turn to microdosing for its positive impact on mental health, including decreased levels of anxiety and stress, as well as relief from depression. One study conducted a comprehensive online survey, where participants who microdosed were asked to evaluate its effects in comparison to alternative treatments for anxiety and depression. The responses revealed that individuals perceived microdosing to be more efficacious than specific treatments.

Enhanced Focus

Microdosing may bolster short-term focus, enabling individuals to engage in more sustained, concentrated work on projects. Research indicates reduced levels of distractibility in people who are microdosing.

fadiman protocol

Improve Cognitive Performance

Anecdotal reports suggest that for some individuals, microdosing appears to enhance cognitive function, allowing their brains to operate at an elevated level and fostering a heightened receptivity to fresh ideas.

A 2019 study backed up these first-hand stories. It revealed that participants reported experiencing enhanced cognitive functioning on the days they microdosed.

Breaking Bad Habits

Many individuals find that microdosing supports their efforts to break unhealthy habits, including alcohol consumption or smoking. Some even express a reduced reliance on commonplace stimulants like coffee during periods of microdosing.

Fadiman Protocol vs. Stamets Protocol: What's the Difference?

The Stamets Protocol differs from Fadiman's in its schedule and ingredients.

Stamets recommends four days on, three days off. The psilocybin is often combined with a "stack" of lion's mane mushroom and niacin. This combination is sometimes called the "Stamets Stack."

The idea, as one proponent explains, is that "psilocybin mushrooms promote neuroplasticity and new neural connections, lion's mane promotes the creation of new nerve and brain cells, and niacin drives these two medicines to the furthest reaches of the nervous system."

Fadiman Protocol suits people who want a minimal, well-documented starting framework, value longer integration periods, prefer a conservative schedule, or are simply newer to the practice.

Stamets Protocol may appeal to those interested in neurogeneration as a primary goal, who are comfortable with more frequent dosing, or who want to explore the synergistic effects of the stack.

Neither is objectively better. Stamets himself changed his recommended schedule from five days on / two days off to four days on / three days off. So feel free to experiment and think for yourself.

There's also a third approach worth mentioning: intuitive or "as-needed" dosing. This is practiced by some experienced microdosers with a strong relationship with the mushrooms. They take a dose whenever they feel like it, without following any specific protocol.

This is perhaps not where you will start as a complete beginner, but it's where many people eventually land.

The Fadiman Protocol: Final Thoughts

The Fadiman Protocol offers a promising approach to using psilocybin for therapeutic or health reasons.

Hopefully, we will see more research with positive outcomes in the future. If you want to learn more about various ways to microdose, read "Exploring Microdosing Protocols".

If you want to talk with a human to discuss your situation, feel free to book a free intro call with Mushroom Tao.

Frequently Asked Questions

chevron down
What is the Fadiman Protocol and how does it work?
chevron down
What is the correct microdose for the Fadiman Protocol?
chevron down
How is the Fadiman Protocol different from the Stamets Protocol?
chevron down
Is the Fadiman Protocol safe for beginners?
chevron down
Why do you take two days off between doses in the Fadiman Protocol?

Your Options

Receive loving support as you journey with mushrooms and share with others.

Receive Psilocybin

Start working with mushrooms in the comfort of your own home.

Psilocybin Coaching

Receive suppport on your journey from an experienced facilitator.

Facilitator Mentorship

Enjoy mentorship as you hold space for and share mushrooms with others.

Keep Reading

Back to all

Our Process

Get Started in 3 Easy Steps

1

Book a Free Intro Call

2

Ask Questions, Share Intentions

3

Receive Psilocybin & Coaching

Book a Free Intro Call

A 15-minute video call on the signal app to connect and explore how Mushroom Tao can support you. You'll be able to ask questions, share your intentions, and express any concerns you may have. We are happy to explore ways to be of service.

Close-up of hand holding psilocybin mushrooms with wooden bowl filled with mushrooms behind

Get the Psilocybin 101 E-book for Free.

Everything you want to know about Psilocybin in one thoughtfully designed book.

Download Psilocybin 101 e-book
Thank you! Click the download button above to download the book.
Oops! Something went wrong while submitting the form. Please contact us at hello@mushroomtao.com