Template:SubstanceBox/Methamphetamine

SubstanceBox/Methamphetamine
Chemical Nomenclature
Common names	Methamphetamine, Meth, Speed, Ice, Glass, Shard, Tina, Crank
Substitutive name	N-Methylamphetamine
Systematic name	N-Methyl-1-phenylpropan-2-amine
Class Membership
Psychoactive class	Stimulant
Chemical class	Amphetamine
Routes of Administration
WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section. ⇣ Smoked Dosage Bioavailability >90% Threshold < 5 mg Light 5 - 10 mg Common 10 - 20 mg Strong 20 - 60 mg Heavy 60 mg + Duration Total 1 - 4 hoursUp to 18h for irregular users. Onset 0 - 2 minutes Peak 1 - 3 hours Offset 1 - 3 hours After effects 2 - 18 hours ⇣ Oral Dosage Bioavailability ~70% Threshold < 5 mg Light 5 - 15 mg Common 15 - 30 mg Strong 30 - 60 mg Heavy 60 - 150 mg + Duration Total 8 - 12 hours Up to 18h for irregular users. Onset 20 - 45 minutes Peak 3 - 5 hours Offset 3 - 4 hours After effects 12 - 24 hours ⇣ Insufflated Dosage Bioavailability >90% Threshold < 5 mg Light 5 - 10 mg Common 10 - 30 mg Strong 30 - 60 mg Heavy 60 mg + Duration Total 0 - 2 hours Onset 0 - 2 minutes Peak 20 - 20 minutes Offset 1 - 1 hours After effects 6 - 12 hours ⇣ Intravenous Dosage Bioavailability ~100% Threshold < 5 mg Light 5 - 10 mg Common 10 - 30 mg Strong 30 - 40 mg Heavy 40 - 80 mg + Duration Total 4 - 8 hours Onset 1 - 2 minutes Offset 3 - 4 hours After effects 12 - 24 hours DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.