Microdosing has transitioned from a Silicon Valley productivity secret into a mainstream wellness movement. As interest grows, enthusiasts and researchers alike seek structured methods to optimize their experience. Among these, one specific protocol stands out as the gold standard for long-term cognitive wellness: the Stamets Stack.

Developed by world-renowned mycologist Paul Stamets, this microdosing protocol is designed to be more than just a subtle mood booster. It is formulated as a cognitive enhancement system that leverages the synergistic relationship between three key ingredients. By combining a low dose of psilocybin mushrooms, a potent dose of lion’s mane mushroom, and a specific form of vitamin B3 known as niacin, the Stamets Stack aims to unlock neuroplasticity, defend brain health, and support emotional resilience.

To truly understand how to target long-term brain health and build new neural pathways, you need to look closer at the Stamets protocol. This guide breaks down the exact Stamets stack recipe, how each ingredient works, how it compares to other popular methods, and a clear roadmap for your microdosing journey.

Read first: our complete psilocybin microdosing benefits and risks guide

What Is the Stamets Stack?

The Stamets Stack is a precise combination of three substances: psilocybin mushrooms, lion’s mane mushroom, and niacin. It was formulated by Paul Stamets, an influential mycologist who has spent decades studying the medicinal properties of fungi. Unlike recreational psychedelic use, which seeks to alter perception, the goal of this microdose protocol is entirely therapeutic.

The core philosophy behind the Stamets Stack is synergy. Each component is beneficial on its own, but when taken together they work in harmony to produce results that none of them could achieve in isolation. The primary mechanism centers on neurogenesis and neuroplasticity.

Paul Stamets believes this specific recipe can help slow cognitive decline, improve memory, expand creativity, and help people recover from nerve damage or traumatic brain injuries. It is a sub-perceptual routine that supports your brain at a cellular level.

The Science Behind the Stamets Stack Recipe

Psilocybin: The Catalyst for Neuroplasticity

Psilocybin is the active psychedelic compound found in magic mushrooms. When ingested in microdose amounts, it does not cause hallucinations. Instead, it binds to 5-HT2A serotonin receptors in the brain, triggering the production of Brain-Derived Neurotrophic Factor. This protein acts like fertilizer for your brain cells.

Learn more: how magic mushrooms rewire the brain through neuroplasticity

Good starting point: the Golden Teacher strain guide for beginners

For advanced users: the Jedi Mind Fuck strain guide (requires careful measurement due to high potency)

Lion’s Mane Mushroom: The Brain Builder

Lion’s mane mushroom is a non-psychedelic functional mushroom celebrated for its neuroprotective properties. It contains hericenones and erinacines that cross the blood-brain barrier and stimulate Nerve Growth Factor synthesis. While psilocybin helps create new neural connections, lion’s mane ensures those connections are structurally sound.

Niacin: The Delivery Vehicle

Niacin, also known as nicotinic acid or vitamin B3, is the secret weapon of the Stamets stack recipe. It causes a physical reaction known as the niacin flush, dilating blood vessels and increasing blood flow throughout the body. This acts as a delivery vehicle, carrying the active compounds past the blood-brain barrier into the furthest nerve endings.

Important: you must use nicotinic acid. Substitutes like niacinamide or flush-free niacin will not dilate the capillaries and will not provide the same delivery benefits.

The Exact Stamets Stack Dosage and Schedule

4 Days On, 3 Days Off

The Stamets protocol follows a structured cycle. You take your microdose stack for 4 consecutive days, followed by 3 consecutive days off. The human body builds rapid tolerance to psilocybin. The 3-day rest period allows your body to clear the compounds, resetting your systemic tolerance so that the next cycle remains fully effective.

Most people run this protocol for 4 to 8 weeks, followed by an integration break of 2 to 4 weeks.

Daily Dosage Breakdown

• Psilocybin Mushroom: 0.1 to 0.3 grams of dried mushroom powder. Beginners should start at 0.1 grams.
• Lion’s Mane Mushroom: 50 to 200 milligrams of pure extract powder, or up to 5 grams of fresh fruit body.
• Niacin (Nicotinic Acid): 100 to 200 milligrams. Lower to 50 milligrams if the flush feels too intense.

Stamets Stack Dosage Reference

Ingredient	Standard Dosage	Purpose in the Stack	Key Notes
Psilocybin Mushroom	0.1 to 0.3g dried	Stimulates 5-HT2A receptors, releases BDNF to foster neuroplasticity	Use mild strains like Golden Teacher for predictable results
Lion’s Mane Mushroom	50 to 200mg extract	Promotes Nerve Growth Factor synthesis to grow and repair nerve cells	Use dual-extract products containing hericenones and erinacines
Niacin (Nicotinic Acid)	100 to 200mg	Dilates capillaries to distribute active compounds to the full nervous system	Must use the flushing form. Do not use niacinamide or flush-free formulas

Stamets Stack vs. Fadiman Protocol

The Fadiman Protocol operates on a 3-day cycle: microdose on Day 1, rest on Day 2 and Day 3, then repeat. It focuses on psychological tracking and emotional balance using only psilocybin.

The Stamets Stack groups the active days together and introduces the synergy of functional mushrooms and niacin, focusing more deeply on long-term physiological repair and nerve health.

Stamets Stack vs. Fadiman Protocol

Feature	The Stamets Stack	The Fadiman Protocol
Primary Goal	Neuroplasticity, nerve repair, long-term cognitive enhancement	Mood elevation, focus, psychological balance
Active Ingredients	Psilocybin plus Lion’s Mane plus Niacin	Psilocybin only
Schedule	4 consecutive days on, 3 days off	1 day on, 2 days off
Cycle Duration	4 to 8 weeks, then 2 to 4 week break	4 to 10 weeks, then 2 to 4 week break
Physical Sensation	Mild warmth from niacin flush	Strictly sub-perceptual, no physical sensation
Best Suited For	Neurogenesis, nerve health, deep memory support	Routine mood support, stress management, creative flow

Key Benefits of the Stamets Protocol

• Enhanced Mental Clarity and Memory: The combination of nerve growth support from lion’s mane and neuroplasticity from psilocybin makes it easier to retain new information and focus on demanding tasks.
• Mood Stabilization and Emotional Resilience: By stimulating serotonin receptors, the stack helps quiet the default mode network responsible for repetitive negative thoughts.
• Sensory and Coordination Improvement: Paul Stamets has highlighted the potential to improve motor skills and spatial coordination by repairing damaged myelin sheaths.
• Increased Adaptability: Your brain enters a highly plastic state during the protocol, making it easier to break old habits and adopt positive behavioral patterns.

Frequently Asked Questions

What does the niacin flush feel like, and is it dangerous?

The niacin flush causes your face, neck, and chest to feel warm, red, and slightly itchy. This reaction is completely safe and typically lasts 20 to 60 minutes. Start with 50 milligrams of niacin and increase gradually as your body adapts.

Can I use niacinamide instead of nicotinic acid?

No. Niacinamide lacks the properties that cause vasodilation. Without the flushing effect, the capillaries will not dilate and the stack loses its unique delivery mechanism. The Stamets protocol requires nicotinic acid specifically.

What is the best lion’s mane supplement to use?

Look for a supplement that uses hot-water and alcohol dual-extraction. Choose products made from 100 percent organic fruiting bodies, and avoid products that consist mostly of grain-based filler.

How long does it take to see results?

Some users report subtle improvements within the first week. Most individuals notice significant shifts in memory, coordination, and emotional adaptability after 3 to 4 weeks of consistent adherence to the protocol.

Ready to Start Your Journey?

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Shop now: browse our full microdosing product selection at Good Moods

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Disclaimer: All Good Moods products are intended for microscopy research, educational, healing, and therapeutic purposes only. This content is for informational purposes only and does not constitute medical advice. You must be 21 or older to purchase.