
Psilocybin mushrooms, also known as magic mushrooms, have been consumed for centuries in spiritual and medicinal contexts. Despite their long history of use, the mushrooms are currently classified as a Schedule I drug under the 1971 United Nations Convention on Psychotropic Substances, which means they are considered to have a high potential for abuse and no recognised medical use. However, this classification is contested, and there is ongoing research into the therapeutic potential of psilocybin. Recent developments in places like Oregon, California, Colorado, Canada, and Australia indicate a shift towards the decriminalisation and legalisation of psilocybin for therapeutic and medicinal use.
| Characteristics | Values |
|---|---|
| Legal Status | Psilocybin is classified as a Schedule I controlled substance under the 1971 United Nations Convention on Psychotropic Substances. |
| Definition of Schedule I Drugs | Drugs with a high potential for abuse and no recognized medical uses. |
| Legal Status in the US | Psilocybin is federally prohibited as a Schedule I drug. Most US state courts consider the mushroom a "container" of illicit drugs, making it illegal. |
| Legal Status in Other Countries | Many countries have some level of regulation or prohibition of psilocybin mushrooms. Examples include the UK Misuse of Drugs Act 1971, the Canadian Controlled Drugs and Substances Act, and the Australian Poisons Standard (October 2015). |
| Ambiguity in Legal Status | There is ambiguity in the legal status of psilocybin mushrooms in some national, state, and provincial drug laws, with selective enforcement in certain places. |
| Loopholes | In some jurisdictions, Psilocybe spores are legal to sell and possess as they do not contain psilocybin or psilocin. However, they are banned in other areas as they are considered items used in drug manufacture. |
| Cultivation | The cultivation of psilocybin mushrooms is often considered drug manufacture and is severely penalized in most jurisdictions. |
| Rescheduling Efforts | There are efforts to reclassify psilocybin from a Schedule I to a Schedule IV drug, recognizing its therapeutic potential and lower potential for abuse compared to other Schedule I drugs. |
| Therapeutic Potential | Psilocybin has gained recognition for its potential healing benefits in treating depression, anxiety, PTSD, and other conditions. |
| FDA Status | Psilocybin remains unapproved by the FDA, prohibiting public access under federal law. |
| State-Level Initiatives | Some US states, like Oregon, Colorado, and California, have passed initiatives to legalize or decriminalize psilocybin for therapeutic or personal use. |
| Global Influence | Australia's approval of psilocybin for prescription use in treating PTSD and treatment-resistant depression is expected to influence global drug policy towards psychedelics. |
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What You'll Learn
- Psilocybin mushrooms are classified as Schedule I drugs under the 1971 United Nations Convention on Psychotropic Substances
- The mushrooms were not specifically included in the convention due to pressure from the Mexican government
- Psilocybin mushrooms have a significantly lower potential for abuse than other Schedule I drugs
- Psilocybin is a prodrug of psilocin, which is chemically related to the neurotransmitter serotonin
- Researchers suggest that psilocybin should be reclassified as a Schedule IV drug if it clears phase III clinical trials

Psilocybin mushrooms are classified as Schedule I drugs under the 1971 United Nations Convention on Psychotropic Substances
Psilocybin mushrooms, which have hallucinogenic and serotonergic effects, have been consumed for spiritual and medicinal purposes in various cultures throughout history. Despite their traditional ceremonial use, psilocybin mushrooms are classified as Schedule I drugs under the 1971 United Nations Convention on Psychotropic Substances. This classification indicates that psilocybin mushrooms are considered to have a high potential for abuse and no recognised medical value.
Schedule I drugs, including psilocybin mushrooms, face federal prohibition and are subject to strict restrictions on their use in human research. The classification has made it challenging for scientists researching psychedelic drugs to obtain funding and has led to marginalisation within their field. Despite these legal restrictions, the 1970s witnessed a surge in the popularity of psilocybin mushrooms, attributed to the widespread availability of information on their cultivation.
The classification of psilocybin mushrooms as Schedule I drugs has been a subject of debate, with researchers from Johns Hopkins advocating for their reclassification to Schedule IV. They argue that psilocybin mushrooms have a significantly lower potential for abuse compared to other Schedule I substances and possess therapeutic potential for treating various mental health conditions. In recognition of its potential benefits, the Food and Drug Administration (FDA) designated psilocybin as a breakthrough therapy in 2018, aiming to expedite its development and review as a treatment for serious medical conditions.
While psilocybin mushrooms remain illegal under federal law, there have been recent developments towards decriminalisation and regulated use at the state level. For instance, Oregon voters passed an initiative in 2020 to legalise the use of "magic mushrooms" for mental health treatment in supervised settings. Similarly, in 2022, the Canadian province of Alberta announced the regulation and authorisation of psilocybin for medicinal purposes in drug-assisted psychotherapy. These developments reflect a growing acknowledgement of the potential therapeutic benefits of psilocybin mushrooms and a shift in drug policy towards psychedelics.
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The mushrooms were not specifically included in the convention due to pressure from the Mexican government
Psilocybin mushrooms, which contain the drug psilocybin, are illegal in most countries. However, the mushrooms were not specifically included in the United Nations Convention on Psychotropic Substances, which was signed in 1971 and came into effect in 1975. This was largely due to pressure from the Mexican government.
The convention, which was ratified and adopted in Mexico in 1975, included an exemption for the traditional use of peyote and psychedelic mushrooms by Indigenous peoples. This was important because psychedelic mushrooms have a long history of use in Indigenous Mexican culture and medicine. For example, the Mazatec community in Huautla de Jiménez, in the Mexican state of Oaxaca, has a tradition of using psilocybin mushrooms in sacred healing ceremonies called veladas. These ceremonies are seen as a purification and a communion with the sacred.
In the 1950s, American ethnomycologist R. Gordon Wasson participated in a velada with Mazatec shaman María Sabina and later wrote about his experience in a 1957 article for Life magazine. This article inspired thousands of people to travel to Huautla de Jiménez in search of psychedelic experiences. The Mexican press described these foreigners as addicts, and the military even set up a checkpoint to try to block outsiders from entering the town.
Despite the pressure from the Mexican government to exempt psychedelic mushrooms from the UN convention, the mushrooms themselves are still illegal in Mexico. However, there are efforts underway to decriminalize their use, and the country of Mexico has recently been experiencing a psychedelic renaissance, with increasing interest in the therapeutic potential of psychedelics.
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Psilocybin mushrooms have a significantly lower potential for abuse than other Schedule I drugs
Psilocybin mushrooms, commonly known as magic mushrooms, have been consumed by various cultures for spiritual and medicinal purposes for centuries. Despite their long history of traditional use, the mushrooms and their active compound, psilocybin, have faced legal restrictions and classification as a Schedule I drug.
Schedule I drugs are defined as substances with a high potential for abuse and no recognised medical value. Psilocybin mushrooms, however, have been found to have a significantly lower potential for abuse compared to other substances in the same category. Research conducted by Johns Hopkins University highlights the relative safety of psilocybin, suggesting that it is not prone to compulsive abuse and has the lowest potential for lethal overdose among drugs.
The push for rescheduling psilocybin mushrooms from Schedule I to Schedule IV, a category that includes prescription sleep aids, has gained momentum due to the growing recognition of its therapeutic potential. Psilocybin has been studied for its effectiveness in treating various mental health conditions, including depression, anxiety, post-traumatic stress disorder (PTSD), and addictions. The Food and Drug Administration (FDA) in the United States designated psilocybin as a breakthrough therapy in 2018, acknowledging its potential in streamlining the development and review of drugs intended for serious medical conditions.
While the FDA has not yet approved psilocybin for medical use, several jurisdictions have taken steps towards decriminalisation and legalisation for therapeutic purposes. For example, Oregon voters passed an initiative in 2020 to legalise magic mushrooms for mental health treatment in supervised settings. Similarly, the Canadian province of Alberta has allowed the use of psilocybin for medicinal purposes in drug-assisted psychotherapy since 2023. These developments reflect a shift in perspective towards recognising the potential benefits of psilocybin mushrooms when used appropriately.
In conclusion, psilocybin mushrooms have a significantly lower potential for abuse compared to other Schedule I drugs. The growing body of research highlighting their therapeutic potential and relative safety has sparked global conversations about rescheduling and creating a more accessible framework for their medicinal use. As a result, several jurisdictions have already implemented policy changes, indicating a move towards evidence-based drug regulation and a more nuanced understanding of the benefits and risks associated with psilocybin mushrooms.
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Psilocybin is a prodrug of psilocin, which is chemically related to the neurotransmitter serotonin
Psilocybin mushrooms, commonly referred to as 'magic mushrooms', have been used in spiritual and ceremonial contexts in various cultures throughout history. The mushrooms contain psilocybin, a naturally occurring compound with hallucinogenic and serotonergic effects. Psilocybin is classified as a Schedule I controlled substance under the 1971 United Nations Convention on Psychotropic Substances, which categorises it as a drug with a high potential for abuse and no recognised medical use. Despite this classification, psilocybin has gained recognition for its potential therapeutic benefits, particularly in the treatment of mental health disorders.
Psilocybin is a prodrug of psilocin, which means that psilocybin itself is biologically inactive until it is converted into psilocin by the body. This conversion occurs through a process called dephosphorylation, which is mediated by phosphatase enzymes. Psilocybin is metabolised in various parts of the body, including the intestines, liver, kidneys, blood, and other tissues and bodily fluids.
Psilocin, the active form of psilocybin, is chemically related to serotonin, a neurotransmitter that plays a crucial role in various physiological processes. Psilocin acts as a non-selective agonist of the serotonin receptors, including the serotonin 5-HT2A receptor. The high affinity of psilocin for the serotonin receptors is believed to contribute to its psychedelic effects. Psilocin also interacts with other receptors, such as dopamine, histamine, and adrenergic receptors, although its affinity for these receptors is lower compared to serotonin receptors.
The structural similarity between psilocybin, psilocin, and serotonin is notable. Psilocybin and psilocin are classified as indolealkylamines, which share structural similarities with serotonin (also known as 5-hydroxytryptamine or 5-HT). This structural similarity may contribute to psilocin's binding affinity for various serotonin receptors, including 5-HT2A, 5-HT2B, 5-HT2C, 5-HT1A, and others. The high degree of structural similarity between these compounds and serotonin may also be a factor in the therapeutic potential of psilocybin, as it could contribute to the synergistic effects across multiple systems in the body.
In summary, psilocybin is a prodrug that is metabolised into psilocin, which is chemically related to serotonin. The structural similarities between these compounds and their interactions with serotonin receptors are key factors in understanding the effects of psilocybin mushrooms, both in terms of their hallucinogenic properties and their potential therapeutic benefits. While psilocybin remains a controlled substance due to its potential for abuse, ongoing research and a growing body of evidence supporting its therapeutic potential are challenging the current legal framework and pushing for its rescheduling and federal legalisation for medical use.
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Researchers suggest that psilocybin should be reclassified as a Schedule IV drug if it clears phase III clinical trials
Psilocybin mushrooms, commonly known as magic mushrooms, have been used in spiritual and ceremonial contexts in various cultures throughout history. In modern times, these mushrooms have gained recognition for their potential therapeutic benefits, particularly in treating mental health disorders. Despite their growing popularity as an investigational drug, psilocybin mushrooms remain classified as a Schedule I drug under the United Nations 1971 Convention on Psychotropic Substances. This classification is primarily due to the hallucinogenic properties of psilocybin, which can induce euphoria, changes in perception, and spiritual experiences.
Schedule I drugs are defined as substances with a high potential for abuse and no recognized medical uses. However, research suggests that psilocybin mushrooms may have lower abuse potential compared to other Schedule I drugs. Preliminary studies indicate that psilocybin may be effective for smoking cessation and in treating certain disorders, including cancer-specific depression and anxiety. Additionally, psilocybin has shown promising results in reducing alcohol use among individuals with Alcohol Use Disorder.
In light of these potential therapeutic benefits, researchers from Johns Hopkins University have suggested that psilocybin should be reclassified as a Schedule IV drug if it clears phase III clinical trials. Schedule IV drugs are those with accepted medical use and a lower potential for abuse, such as prescription sleep aids. The researchers emphasize the need to initiate conversations about how to classify psilocybin to streamline its path to clinical use and minimize future logistical hurdles.
While psilocybin has demonstrated relative safety in regulated spaces, researchers recommend that its use be tightly controlled and administered by healthcare professionals in a clinical setting. This controlled approach aims to minimize potential harm and abuse while harnessing the therapeutic benefits of psilocybin for the treatment of mental health disorders. The reclassification of psilocybin as a Schedule IV drug would be a significant step forward in making this treatment option more accessible to those who could benefit from it.
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Frequently asked questions
Psilocybin mushrooms are classified as a Schedule I controlled substance, which means they have a high potential for abuse and no recognized medical uses. Psilocybin is the prodrug of psilocin and has hallucinogenic and serotonergic effects.
Psilocybin remains unapproved by the FDA and DEA and is classified as a Schedule I drug. However, researchers suggest that if psilocybin clears phase III clinical trials, it could be reclassified as a Schedule IV drug with tighter control.
Possession and use of psilocybin mushrooms are prohibited in most countries, including the US, UK, and Canada. However, there is ambiguity in some national, state, and provincial drug laws, and selective enforcement in certain places. Some jurisdictions have specifically prohibited the sale and possession of psilocybin mushroom spores.
Yes, there are a few exceptions. Oregon has made "magic mushrooms" legal for mental health treatment in supervised settings. The District of Columbia passed the Entheogenic Plant and Fungus Policy Act of 2020, allowing the possession and non-profit distribution of psilocybin mushrooms. The Canadian province of Alberta has also allowed the use of psilocybin for medicinal purposes in drug-assisted psychotherapy. Colorado has also decriminalized psilocybin mushrooms.

























