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    4-MPM

    Aliases: 4-mpm, 4-methylphenmetrazine

    Categories

    stimulant research-chemical tentative habit-forming empathogen

    Summary

    4-Methylphenmetrazine is an empathogen of the phenylmorpholine class that seems to have a very rapid tolerance build up.

    ⚠️ AVOID: Other stimulants.

    Dose Information

    Onset, Duration & After-effects

    • Onset:
      • Insufflated: 5-10 minutes
      • Oral: 15-30 minutes
    • Duration:
      • Insufflated: 2-3 hours
      • Oral: 3-5 hours
    • After-effects: 1-8 hours