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June, 18 2025

How Long Do Shrooms Stay in Your System for Drug Test?

By Drug Testing Supplies

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Magic mushrooms are now identified as shrooms. The psychedelic substance psilocybin is present in this food. After eating mushrooms, the body makes this compound into psilocin. It produces psychedelic effects. "Do mushrooms show up on drug tests?" represents a common question. The type of drug test influences the answer.

Knowing how long mushrooms stay in your system remains important. Some people worry about an upcoming drug test for mushrooms. Others want to know for personal health or safety. In all cases, it is useful to know how the body processes psilocybin and psilocin.

How the Body Processes Shrooms

In case you take magic mushrooms, the body absorbs psilocybin. It then converts this compound into psilocin. This newly produced substance affects the brain. It causes hallucinations and changes in perception. Other effects can occur. The liver and kidneys participate in the processing of this substance.
Psilocin leaves the body relatively quickly. Most of the substance is gone within 24 hours. But small traces may stay longer. As a result, some drug tests for mushrooms can detect this compound only a few days after use. People often inquire ‘Do mushrooms show up in a drug test days later?’ In some cases, the answer becomes yes.

Drug Tests Types

Not all drug tests detect mushrooms. Standard urine tests often do not check for psilocybin and psilocin. This leads many to ask ‘Do mushrooms show up on drug test panels used for employment?’ In most cases, they do not. Most employers use a 5-panel and 10-panel test. These tests usually screen for THC and cocaine. Opiates and amphetamines are also included. They do not contain a test panel for mushrooms.

However, specialized tests can detect mushrooms. These include:

  • Urine tests
  • Blood tests
  • Hair follicle tests
  • Saliva tests

Each test features a different detection window. People often search for the reply to ‘Do mushrooms show up in a drug test using urine or hair samples?’ Timing and the kind of test will help to seek a proper answer. 

Urine Tests

A urine test remains the most common kind of drug test. Psilocin can be detected in this test for 1-3 days after the usage. Some advanced urine tests may detect it for up to 5 days. The reply to ‘Do mushrooms show up on drug tests using urine?’ is positive. However, it can happen only with special tests. Most standard drug screens do not test for mushrooms.

Blood Tests

Blood tests can detect psilocin for a shorter time. Psilocin usually stays in the blood for up to 24 hours. So, do mushrooms show up in a drug test using blood?  Only within a few hours after use. Blood tests are rarely used to test for mushrooms. 

Hair Tests

Hair follicle tests have the longest detection window. Psilocin may be present in hair for up to 90 days. However, these tests are expensive. They are not commonly used. People still wonder, "Do shrooms show up on drug tests using hair samples?" Technically yes, but detection is rare.

Saliva Tests

Saliva tests can detect psilocin for about 1 to 2 days. Similar to blood tests, saliva tests are rarely used for mushrooms. Someone asking, do mushrooms show up in a drug test using saliva would need to know the test is highly specialized.

What Impacts Detection Time

Many factors influence how long shrooms stay in the system. They affect the speed of processing and eliminating of these substances from the organism. Let’s explore some of them. 

Dosage: Large doses of mushrooms result in large amounts of psilocybin in the body. This can extend the time it takes for the body to clear the substance.
Frequency of Use: Often usage may lead to a buildup of psilocin in the system. This could result in a longer detection time.

Body Weight and Fat Content: Individuals with higher body fat percentages may retain substances longer. Psilocin does not store in fat cells like THC, but the metabolic rate still matters.

Metabolism: A faster metabolism usually clears substances quicker. People with slower metabolic rates may retain psilocin longer.

Water and Food: Drinking enough water and eating healthy food helps the body eliminate toxins more efficiently.

Liver and Kidney Function: Psilocin is processed by these organs. So, their health greatly influences detection time.

These variables explain the different answers to "Do mushrooms show up on drug tests?" It is not the same for everyone.

Why Most Drug Tests Skip Mushrooms

Standard drug tests for workplaces, schools, and by law enforcement usually focus on special compounds. They include highly addictive and dangerous substances such as THC and cocaine. The presence and amount of opiates and amphetamines are also monitored. Psilocybin mushrooms do not fall into these categories for most testing policies.

Mushrooms are often skipped for several reasons

Low Risk of Abuse: Psilocybin is not recognized as physically addictive.
Short Detection Window: The substance leaves the body quickly. So, its detection becomes more difficult.

Cost of Testing: Specialized tests for psilocybin are expensive and require specific equipment. Most organizations avoid these added costs.

Legal Trends: Some regions have decriminalized or legalized mushrooms. In such places, testing for psilocybin is even less common.

Limited Demand: There is a low demand for psilocybin testing compared to other drugs.

Because of these reasons, people ask, "Do mushrooms show up on drug test panels?" are usually told no, unless it’s a specialized test or part of a legal investigation or clinical study.

How to Remove Psilocybin from the Body

There are no instant methods to eliminate psilocybin from the body. The substance must pass through the liver and kidneys naturally. However, some actions may support the organic detox process. 

  • Keep Yourself Nourished: Water intake enhances the kidney’s ability to remove pollutants. 
  • Exercise: Physical activity may advance metabolic rate. It supports liver functionality.
  • Eat Healthy: Foods with fruits and fiber can support digestion and detoxification.
  • Rest and Recovery: Giving the body time to recover allows it to process and remove substances in a native way.

Despite these efforts, the only sure way to avoid a positive drug test is to allow enough time for the substance to leave the body. Many people ask, "Do shrooms show up on drug tests after a week?" In most cases, the answer is no, except with hair tests, which have a longer detection window.

Mushrooms and False Positives

Some people fear a false positive result from legal substances. They often ask, "Do mushrooms show up on drug test results even when nothing illegal was taken?"

Standard drug tests do not detect psilocybin or psilocin. Legal supplements, vitamins, or medications rarely affect mushrooms drug test results. Specialized tests that target mushrooms are highly specific. These tests look directly for psilocin or its metabolites. This means false positives are very unlikely.

Reputable test suppliers, such as Drug Testing Supplies - the best provider for drug tests - confirm positive results with additional testing to eliminate doubts. So, the answer to ‘Do mushrooms show up in a drug test from legal products?’ becomes almost always no.