What are integration days in microdosing?

Integration days are the days between doses when you take nothing. They are built into nearly every microdosing schedule, and they exist so your body resets and so you have ordinary days to compare your dose days against.

Why do integration days matter?

They do two things. They reduce tolerance, so doses keep having an effect, and they give you a baseline. Without ordinary days to compare against, you cannot tell whether a dose day was actually different. Most of the useful insight comes from noticing the contrast.

What should you do on an integration day?

Nothing special, and that is the point. Go about a normal day and pay attention. Note your mood, focus, sleep, and energy the same way you would on a dose day. The comparison is what makes a pattern visible.

How many integration days are there?

It depends on the schedule. The Fadiman protocol has two integration days after each dose day. The Stamets Stack has three. Either way, there are always more off days than dose days, by design.

June 22, 2026· 6 min read

Integration Days: The Most Overlooked Part of Microdosing

Ask most people what microdosing is and they will describe the dose. The schedule, the small amount, the substance. Almost nobody mentions the days in between, which is strange, because those days are where most of the value actually is.

The off days have a name: integration days. Nearly every microdosing schedule is built around them, and learning to use them well is the difference between a practice that tells you something and one that just leaves you guessing.

What an integration day is

An integration day is simply a day between doses when you take nothing. On the Fadiman protocol there are two of them after every dose day. On the Stamets Stack there are three. The common thread across almost every schedule is the same: there are always more off days than dose days.

They are not a break from the protocol. They are part of it. The dose day and the integration days are one unit, and the unit only makes sense as a whole.

Why they are called integration days

The word "integration" comes from the wider world of psychedelics, where it describes the work of making sense of an experience afterward, rather than the experience itself. The principle carries over to microdosing, even though nothing dramatic happens on a microdose day.

The idea is that whatever a dose day surfaces, a slightly clearer head, a shift in mood, a different way of approaching something, the off days are when you actually notice it, sit with it, and see whether it holds. The dose might open a small window. The integration days are when you look through it.

What integration days actually do

Two things, both practical.

They reset tolerance. The body adapts quickly to these substances. Dose every day and any effect tends to fade fast. The spacing of off days is what keeps doses from blunting into nothing, which is the whole reason no sensible schedule doses daily.

They give you a baseline. This is the one people underrate. If every day involved a dose, you would have nothing to measure against, and a "good day" would mean nothing because you could not say good compared to what. Integration days are your ordinary days. They are the control group in your own small experiment. A dose day only means something when you can hold it up against a normal one.

That second point is worth sitting with, because it changes how you treat the off days. They are not dead time. They are the measurement.

What to do on an integration day

The honest answer is: nothing special. Go about a normal day. The mistake is thinking the off days do not need attention because nothing is happening on them.

What helps is paying the same attention you would on a dose day. Notice your mood, your focus, your sleep, your energy, your patience with people. Note it down somewhere. You are not looking for anything dramatic. You are building the ordinary picture that makes the non-ordinary days legible.

People who only log dose days end up with half a story. They can see the highs but have no idea whether the highs were actually higher than a regular Tuesday. People who log the off days too can finally see the contrast, and the contrast is the insight.

The most common mistake

By a distance, it is this: treating integration days as time off from paying attention.

It feels intuitive. Nothing is happening, so there is nothing to record. But that is exactly backward. The off days are not the gap in the data, they are half the data. Skip them and you have thrown away the comparison that the whole protocol exists to create.

The second most common mistake is filling integration days with other changes, a new supplement, a different sleep schedule, a big lifestyle shift, so that by the time you look back, you cannot tell what was the protocol and what was everything else. Keep the off days as ordinary as you can. Their job is to be unremarkable, so the remarkable stands out.

Tracking integration days with Dose Days

This is the exact reason Dose Days exists. Most trackers are built around the dose and treat the off days as blank space. Dose Days treats dose days and integration days as different kinds of day on purpose, prompts you to check in on both, and then lays the whole cycle out so the contrast between them becomes visible on its own.

You log a dose day in seconds, an intention, a mood, a note, and you do the same light check-in on the off days. Over a few weeks the pattern surfaces across the full rhythm rather than from the dose days alone. It is free to start, and everything stays on your device.

A note on safety

Microdosing involves substances that are controlled in most places, and the research is still early. This is educational information, not medical advice, and the risks are higher for anyone with a personal or family history of psychosis or bipolar disorder, or anyone taking other medication. Understand the law where you live and speak to a qualified professional about your own situation. There is a fuller note on this in the Fadiman protocol guide.