Stimulants

3-MMC (3-Methylmethcathinone)

Street names: 3MMC, Metaphedrone, 3-Methyl MC

Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines

⚡What it does

Mephedrone's isomer: empathogen + stimulant, 4–6 h; smoother redose curve than 4-MMC

THE Netherlands' current crystal — since 4-MMC and 4-CMC bans, 3-MMC dominated the NL scene 2022–2025
Cardiovascular strain; overheating in clubs
Compulsive redosing; serotonin depletion
Injected in NL scene — vein damage, infections

Substance	Class	Top risks	Street price
3-MMC (3-Methylmethcathinone)	Schedule I analog	THE Netherlands' current crystal — since 4-MMC and 4-CMC bans, 3-MMC dominated the NL scene 2022–2025; Cardiovascular strain; overheating in clubs	~€10–€25/g Netherlands
Cocaine	Schedule II	Heart attack/stroke even in young users; Severe addiction — craving cycle	~$60–$120 per gram
Speed (amphetamine paste)	Schedule II	Insomnia, anxiety, paranoia; Heart strain and overheating	~$10–$40 per gram
Methamphetamine	Schedule II	Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis	~$20–$100 per gram
Adderall (amphetamine salts)	Schedule II	Dependence and tolerance; Cardiovascular strain	~$3–$15 per 30 mg tablet
Adderall XR	Schedule II	Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism	~$5–$20 per 30 mg capsule

Street prices are regional estimates. Potency and cuts vary constantly.

What does 3-MMC (3-Methylmethcathinone) look like?

White/off-white crystals or powder; 'dutch 3mmc' shards

What are the signs of a 3-MMC (3-Methylmethcathinone) overdose?

Racing irregular heart; Overheating; Severe agitation, seizures Call emergency services immediately.

How addictive is it?

THE Netherlands' current crystal — since 4-MMC and 4-CMC bans, 3-MMC dominated the NL scene 2022–2025 Dependence can develop with regular use.

Facts on this page are compiled from these primary sources. External links open in a new tab.