MXE poses substantial risks:

Acute toxicity: Tachycardia, hypertension, agitation, hyperthermia, confusion, cerebellar ataxia (ataxia, nystagmus), seizures, respiratory depression, and coma.

Psychiatric: Severe anxiety, paranoia, psychosis, panic attacks, hallucinations precipitating self-harm or accidents.

Overdose: Recorded deaths (polydrug or high-dose), reversible cerebellar toxicity lasting days.

Long-term: Possible neurotoxicity, abuse/dependence liability (high reinforcing efficacy in animal studies), bladder problems (less common than ketamine but reported), and persistent behavioral dysfunctions in animal studies.

Purity/contamination risks are substantial for illicit preparations.

Lack of approved medical use — not FDA/EMA-approved for any indication (unlike ketamine, which is used for anesthesia and depression).

Buy MXE (Methoxetamine) Powder Online – Buy MXE Online psychonaut, which is listed as a Schedule I controlled substance under the United States law (has been permanently added to Schedule I by the DEA since 2022; no changes since February 26, 2026), has no accepted medical use in the United States, a high potential for abuse, and is considered unsafe for use even under medical supervision. The manufacture, distribution, importation, exportation, possession, or use of methoxetamine MXE, except for research/forensic by DEA registrants, is illegal under the United States law.
There is no legal place to purchase methoxetamine (MXE) for personal, recreational, or non-research related use.

Many illicit sites advertise the sale of “MXE powder,” “Methoxetamine crystals,” or “99% pure MXE” with “discreet shipping” to the USA/UK/EU (example of site: chemheaven.com) These site is  legal:

They are operating in the gray/black market, sometimes advertising as “research chemicals” or “not for human use” to avoid prosecution, but with the intention of human use, it becomes illegal under the Federal Analogue Act (if similar to Schedule I drugs such as ketamine/PCP).

High risk of:

Counterfeit or contaminated substance (unknown purity, adulterants, or incorrect substance).

Overdose, extreme dissociation, psychosis, hyperthermia, or death (MXE has been linked to fatalities and hospitalizations).