Chemical Class
Amphetamine
Psychoactive Class
Stimulant
Effect Profile
Curated
Empathogen
5.6
Moderate stimulation and euphoria with mild empathy and sensory enhancement
Empathy / Social Openness×3
5
Euphoria / Mood Elevation×2
6
Stimulation×1
7
Sensory Enhancement×1
5
Stimulant
4.4
Strong anxiety/jitters with moderate euphoria, mild stimulation, low focus
Stimulation / Energy×3
5
Euphoria / Mood Lift×2
7
Focus / Productivity×2
3
Anxiety / Jitters×1
10
Based on reports from:
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
1d
Half tolerance
12d
Baseline
~21d
Acute tolerance: develops within a single session — the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.