When Do Shrooms Kick In? The Effects of Psilocybin

Authored By:

Matthew D'Ursov

Edited By:

Amy Leifeste

Medically Reviewed By

Karena Mathis

Authored By:

Matthew D'Ursov

Edited By:

Amy Leifeste

Medically Reviewed By

Karena Mathis

All of the information on this page has been reviewed and verified by a certified addiction professional.

When Do Shrooms Kick In? The Effects of Psilocybin

Magic mushrooms, or “shrooms,” typically begin to take effect within 20 to 60 minutes of being consumed. The active compound, psilocybin, is converted into psilocin in the body, which then alters brain function, leading to changes in perception, mood, and thought. The exact time it takes for shrooms to kick in can vary based on several factors, including the dosage, the type of mushroom, individual metabolism, and whether the person has eaten recently. The resulting experience can range from mild mood shifts to profound hallucinatory experiences.

 

This article provides a comprehensive overview of the effects of psilocybin, including a detailed timeline of the experience, the factors that influence its duration, and the potential risks associated with it.

 

What Are Magic Mushrooms?

Magic mushrooms are wild or cultivated fungi that contain psilocybin, a naturally occurring psychoactive and hallucinogenic compound [1]. Commonly known as “shrooms,” they are often consumed in their dried form, either by eating them whole, brewing them into a tea, or grinding them into a powder and placing the powder in capsules. 

 

When a person consumes these mushrooms, the body converts the psilocybin into psilocin. This chemical causes altered perceptions of sight, sound, time, and space [2]. According to government data, an estimated 5.5 million people in the United States have used hallucinogens, highlighting the importance of understanding their effects [3].

 

Effects of Shrooms on the Body

The effects of shrooms on the body are both physical and psychological. After consumption, psilocybin interacts with serotonin receptors in the brain, resulting in a wide range of effects [4]. 

  • Physically, users may experience an increased heart rate and blood pressure, which can pose a risk for individuals with pre-existing heart conditions. Other common physical effects include nausea, muscle weakness, and lack of coordination [4]. 

  • Psychologically, the experience can be unpredictable. While some may feel euphoria or a sense of spiritual connection, others might experience intense fear, panic, paranoia, or frightening hallucinations, often referred to as a “bad trip” [5]. 

 

In recent years, the FDA has acknowledged psilocybin’s potential in clinical settings for treating severe depression, but its use remains experimental and is not without risk [6].

 

Timeline of How Long Shrooms Take to Hit

The experience of taking magic mushrooms, often called a “trip,” follows a general timeline. However, it can vary significantly from person to person. Knowing how long shrooms take to hit and how the experience progresses can help in understanding the substance’s impact. The journey is typically characterized by three main phases: the onset, the peak, and the comedown.

 

Onset of Effects

The initial effects of shrooms typically begin within 20 to 60 minutes after ingestion. This onset period is when the user starts to notice subtle changes in their perception and mood. Colors may seem brighter, sounds may appear more distinct, and a shift in emotional state often occurs. 

If the mushrooms are consumed on an empty stomach, the onset may be faster; however, eating before consuming the mushrooms can delay the onset of the effects [6].

 

When Do Shrooms Peak?

The peak of a mushroom trip, when the psychedelic effects are at their most intense, usually occurs around 90 minutes to two hours after consumption [6]. During this phase, users may experience significant visual and auditory hallucinations, a distorted sense of time, and profound changes in thought patterns and emotions.

 

The intensity of the peak is heavily influenced by the dosage taken; larger doses typically result in a more powerful and longer-lasting peak. This period generally lasts for one to two hours before the effects begin to gradually subside.

 

How Long Do Shrooms Last?

The entire duration of a mushroom trip, from onset to returning to a state of relative normalcy, typically lasts between 4 and 6 hours. 

 

After the peak, the user enters the “comedown” phase, which typically lasts between two and four hours. During this time, the intensity of the hallucinations and perceptual distortions slowly fades, often leaving the person feeling calm, introspective, or fatigued. 

 

While the primary effects wear off within about six hours, some people report a lingering “afterglow” or subtle changes in mood and perception that can last for up to 24 hours.

 

Factors That Influence the Duration of the Shroom Effect

Several key factors can influence how long mushrooms last and the intensity of the experience.

  • Dosage: This is one of the most significant variables; higher doses will almost always produce a longer and more intense trip [5].

  • Individual Metabolism: Factors such as body weight, age, and overall metabolic rate influence how quickly the body processes psilocybin.

  • Mushroom Species: The species of mushroom can affect the trip’s duration, as different types contain varying concentrations of psilocybin.

  • Set and Setting: A person’s mental state (set) and the environment (setting) in which they take the substance can also shape the experience, with anxiety or stress potentially leading to a more challenging or prolonged trip.

 

Eating Before Shrooms

What you eat and when you eat can significantly alter how long it takes for magic mushrooms to kick in. 

 

Consuming mushrooms on an empty stomach generally leads to a faster onset and a more intense experience because the psilocybin is absorbed more quickly. Conversely, eating a heavy meal before taking shrooms can slow down digestion and delay the onset of effects, sometimes for an hour or more. This delay can sometimes cause people to mistakenly take a higher dose, thinking the initial amount was not effective, which can lead to an unexpectedly intense experience later on.

 

Dosage

Dosage is a critical factor in determining the outcome of a psilocybin experience. 

A low dose, often referred to as a microdose, may produce subtle effects on mood and creativity without significant perceptual changes. 

 

A moderate dose is likely to make the full range of psychedelic effects, including visual hallucinations and altered thought processes. 

 

A high dose can lead to an overwhelming and potentially frightening experience, with a complete loss of connection to reality [4]. It is always safest to start with a very low dose to understand how it affects you personally.

 

How to Take Shrooms

The method of consumption is another factor that influences how long it takes for shrooms to kick in. 

 

  • The most common method is eating dried mushrooms whole. 

  • Some people brew them into a tea, which can lead to a faster onset because the psilocybin is absorbed more quickly in liquid form. 

  • Grinding them into a powder and putting them in capsules is another method. 

 

Each approach can alter the absorption rate and, consequently, the timing and intensity of the trip. Given the unpredictability of the effects, it is vital to be aware of the risks associated with any method of consumption [4].

 

How Long Do Mushrooms Stay in the System?

Psilocybin and its active metabolite, psilocin, are processed by the body relatively quickly due to a short half-life. 

 

Most of the substance is metabolized by the liver and eliminated from the body within 24 hours, primarily through urine [7]. This rapid clearance means its detection window is relatively short compared to other substances. However, whether a drug test can detect it depends entirely on the type of test being used and what it is specifically designed to look for.

 

Blood & Saliva Tests

Psilocybin and psilocin are detectable in blood and saliva for a very short period, typically up to 24 hours after use, and often for much less time. The rapid metabolism means these compounds do not linger in bodily fluids. Because of this brief window, blood and saliva tests are not practical for detecting past use. Furthermore, standard drug tests rarely screen for these specific psychedelic compounds, so detection would require a specialized and costly test, usually reserved for specific clinical or forensic situations rather than routine screenings.

 

Urine Tests

Urine tests can typically detect psilocybin metabolites for up to 24 hours after consumption, making them slightly more effective than blood or saliva tests. Research indicates that the body is highly efficient at processing the drug, with about two-thirds of the compound being excreted within the first three hours [8]. Because psilocybin is not a commonly abused drug in workplace contexts and has such a short detection window, standard employment drug screenings do not usually test for it unless there is a specific reason to do so.

 

Hair Follicle Tests

Hair follicle tests offer the longest detection window for many substances, as drug metabolites become trapped in the hair shaft as it grows. In theory, psilocybin could be detectable in hair follicles for up to 90 days. However, this method is rarely used for shrooms. The reasons are practical: these tests are expensive, and the concentration of psilocybin metabolites that get deposited in the hair is often too low to be reliably detected. Therefore, hair testing for mushroom use is not considered a standard or viable practice.

 

The Risks and Dangers of Taking Psilocybin

Magic mushrooms can cause nausea, confusion, and frightening hallucinations. Some people may also face long-lasting anxiety or panic attacks. Knowing these risks helps individuals make safer, more informed decisions. Here is the list of risks that magic mushrooms can cause:

 

While often perceived as less harmful than other substances, taking magic mushrooms is not without risks. 

  • The most common adverse effects include nausea and vomiting. 

  • The psychological risks are more serious and can include intense paranoia, frightening hallucinations, and severe anxiety or panic attacks [4]. 

  • In rare cases, users can experience persistent psychosis or Hallucinogen Persisting Perception Disorder (HPPD), a condition characterized by recurring “flashbacks.” It is impossible to know how you will react, and these dangers should be carefully considered.

 

FAQs

1. Can the way you prepare magic mushrooms change how they affect you?

Yes, the preparation method can significantly alter the experience. Brewing mushrooms into a tea may lead to a faster onset and a more intense trip compared to eating them whole, as the psilocybin is absorbed more quickly in liquid form.

 

2. Why do some people feel emotionally ‘cleansed’ after a mushroom trip?

Researchers believe that psilocybin may temporarily alter brain connectivity, particularly in circuits related to mood, stress, and the sense of self. This disruption of rigid thought patterns can lead some individuals to report feelings of emotional release, openness, or a new perspective on their lives.

 

3. Are repeat trips with shrooms always the same?

No, the effects can vary significantly each time. Even with the same dose, factors like your current mood, your environment (set and setting), and your unique brain chemistry on that particular day play a considerable role in shaping the psychedelic experience.

 

4. Could psilocybin change how your brain works long-term?

More research is needed, but some studies suggest repeated use may lead to lasting changes in personality and outlook, such as increased openness. However, there is also a risk of developing long-term psychological issues like HPPD, especially in predisposed individuals.

 

5. Why do experts warn against mixing shrooms with alcohol?

Combining psilocybin with alcohol can increase confusion, impair judgment, and heighten the risk of accidents. Alcohol, a depressant, can also dull the introspective qualities of a mushroom trip, potentially leading to a more chaotic and less meaningful experience.

 

Get Treatment for Addiction at Alliance Recovery

If you’re struggling with psychedelic use or other substance challenges, professional help is available.

Here at Alliance Recovery, our executive leadership and admissions staff have extensive knowledge of addiction treatment, with many members of our team having gone through treatment themselves. Through years dedicated to service and building meaningful connections with others in recovery, our team has developed a deep passion for helping individuals who find themselves in a similar position.

 

When you come to Alliance Recovery, you’ll find:

  • Personalized individual and group therapy

  • A strong, supportive sober community

  • Comprehensive aftercare planning and resources to help rebuild your life

Call our treatment team at (844) 287-8506 to get started.

 

Sources

[1] www.publichealth.columbia.edu/news/new-study-estimates-over-5-5-million-u-s-adults-use-hallucinogens

[2] pubmed.ncbi.nlm.nih.gov/28074670/

[3] pmc.ncbi.nlm.nih.gov/articles/PMC3917651/

[4] nida.nih.gov/research-topics/psilocybin-magic-mushrooms

[5] pmc.ncbi.nlm.nih.gov/articles/PMC4871852/

[6] pmc.ncbi.nlm.nih.gov/articles/PMC9751063/

[7] www.justice.gov/archive/ndic/pubs6/6038/6038p.pdf

[8] www.sciencedirect.com/science/article/abs/pii/B978044453717100158X

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