Microdosing: types, benefits, methods, and risks

last updated: Apr 15, 2022

4 min read

You may have heard people talking enthusiastically about the benefits of microdosing illegal drugs like LSD or magic mushrooms. But what does microdosing mean? Is it safe? Are the benefits real? Read on to learn what microdosing is, how people do it, and what some of the possible risks and benefits are.


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What is microdosing? 

Microdosing is the ingestion of tiny amounts of psychoactive drugs or drugs that affect mental processes such as perception, cognition, and emotions (WHO, 2022). 

The substances most people use when microdosing are lysergic acid diethylamide (LSD or “acid”) and psilocybin mushrooms (“magic mushrooms”).

The amount taken during microdosing is supposed to be too small for a person to become intoxicated or to have their behavior altered (also referred to as a “trip”). Instead, people report taking small doses with the intention to improve their mood, mental function, creativity, and energy levels (Kuypers, 2019; Lea, 2020). 

Microdosing was originally a tool used in pharmaceutical development. When companies set out to test a new pharmaceutical drug, scientists give very low doses—1% of an active dose—of the drug to see how it moves and behaves in the body (Kuypers, 2019).  

There are some interesting therapeutic possibilities for microdosing, which are reinforced by enthusiastic reports in surveys of people who microdose (Johnstad, 2018). But while there is some scientific evidence to back these anecdotes up, there aren’t enough quality microdosing studies for scientists to agree on whether it’s safe or effective.

It’s important to also note that there’s no such thing as “microdosing heroin” or “microdosing meth.” These substances are some of the most highly addictive out there, and there’s a thin margin between tiny doses and those that are clearly harmful (Lachenmeier, 2015).

Possible benefits of microdosing

Some of the reported positive effects of microdosing include (Johnstad, 2018; Lea, 2020):

  • Increased energy and pleasure in life

  • Improved cognition

  • Reduced symptoms of mental illness (like trauma, depression, and anxiety) and ADHD

  • Improved sleep

  • Increased self-care

  • Increased sense of wellbeing

One survey study showed that 44% of respondents found their mental health was “much better” because of microdosing (Lea, 2020). 

The trouble is that there aren’t a lot of clinical trials on microdosing psychedelics, and the evidence we do have isn’t considered high-quality. Remember that anecdotal reports aren’t necessarily medical evidence. They can be compelling, but they shouldn’t be solely relied on as demonstrating that something is safe or advisable. 

Ultimately, we need more evidence on the safety and effectiveness of microdosing, and most healthcare providers don’t recommend self-medicating with illicit drugs for depression, anxiety, or other mental health conditions.

That being said, there is more high-quality research on using full doses of psychedelics for the treatment of mental illness, and many studies are promising. 

A systematic review of randomized controlled trials—one of the strongest methods of getting high-quality medical evidence—investigating the use of LSD in psychiatry found that it has significant therapeutic potential, especially for treating alcoholism (Fuentes, 2020).

Microdosing and the placebo effect

A 2021 study—the largest placebo-controlled study on microdosing to date—found that many of the perceived benefits of microdosing might actually be due to the placebo effect (Szigeti, 2021). This means that people who received placebos—inactive drugs or substances—benefited as much as those who were actually taking psychedelics.

This doesn’t necessarily mean that microdosing is useless; many pharmaceutical drugs have significant placebo effects and are still used to treat serious illnesses (Kirsch, 2019). 

How to microdose

It’s important to remember that LSD and psilocybin mushrooms are currently schedule 1 controlled substances, meaning that according to the federal government, they have no medical value and a high potential for abuse. 

Any microdosing techniques you find have not been developed and shared through medical research but by individuals through experimentation.

Of these techniques, three commonly used microdosing schedules use “on” and “off” days of microdosing for a duration ranging from one week to two years (Kuypers, 2019):

  • Two days on, two days off

  • Weekdays on, weekends off

  • Every other day or every three days

Microdosing shouldn’t produce any intoxicating effects. The typical goal of microdosing is to feel relaxed, energetic, and creative, and the generally accepted way to achieve this is with the lowest effective dose possible—not by tripping or getting high. If you feel high, you’re taking too much for it to be a microdose. 

A good way to track the effects a given microdose has on your body, and to make sure your doses stay consistent, is by keeping a microdosing journal. It may also be helpful to read some literature on the topic. 

James Fadiman, widely considered an authority on microdosing and therapeutic use of psychedelics, wrote a book called The Psychedelics Explorer’s Guide, which is commonly used as a microdosing resource (Polito, 2019).

How to microdose mushrooms and LSD 

While there is no scientifically established definition of what a microdose means, a microdose for the two most commonly used psychoactive drugs (psilocybin mushrooms and LSD) is often considered as (Kaertner, 2021): 

  • Psilocybin mushrooms: A ‘shroom’ microdose is generally between 0.1 grams (g)–0.5 g of dried mushrooms

  • Lysergic acid diethylamide: Microdosing LSD (“acid”) generally involves between 5–20 micrograms (mcg)

How to microdose THC

While not as common as microdosing with mushrooms or LSD, some people microdose THC (the psychoactive component of marijuana or cannabis). Typically, the dose used is 1 milligram (mg).

Risks or drawbacks of microdosing

There isn’t any specific research on the safety of microdosing, although studies on larger doses of psychedelics suggest that they are relatively safe (Berkovitch, 2021; Polito, 2019). 

One of the biggest risks, especially for synthetic drugs, is that it’s impossible to know exactly what is in them and if there are dangerous additives like fentanyl—one of the biggest culprits in the recent spike of overdose deaths in the United States. Taking street drugs is always dangerous for this and other reasons, but using fentanyl test strips may at least help identify whether a drug is laced with fentanyl (Krieger, 2018).

Also, keep in mind that any recreational drug can result in upsetting or unwanted responses, including:

  • “Bad trips”: A negative experience while on the drug that may cause unpleasant hallucinations, anxiety, or fear.

  • Possible worsening psychiatric symptoms 

  • Elevated heart rate and blood pressure

  • Dangerous interactions with prescription medications

  • Erratic or dangerous behavior and impairment of judgment

We’re a long way from safe, legal, systematic recommendations from healthcare providers for microdosing as medical treatment. If you choose to microdose, remember that most drugs used to microdose are still illegal. While the social landscape surrounding drug use is seeing some small shifts, this is a big roadblock to more clinical trials being conducted on microdosing. 


If you have any medical questions or concerns, please talk to your healthcare provider. The articles on Health Guide are underpinned by peer-reviewed research and information drawn from medical societies and governmental agencies. However, they are not a substitute for professional medical advice, diagnosis, or treatment.

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Every article on Health Guide goes through rigorous fact-checking by our team of medical reviewers. Our reviewers are trained medical professionals who ensure each article contains the most up-to-date information, and that medical details have been correctly interpreted by the writer.

Current version

April 15, 2022

Written by

Nancy LaChance, BSN, RN

Fact checked by

Felix Gussone, MD

About the medical reviewer

Felix Gussone is a physician, health journalist and a Manager, Medical Content & Education at Ro.