AH-7921 - Substance Search

Summary TripSit

Opioid analgesic that is selective for the μ-opioid receptor. It has around 80% the potency of Morphine when taken orally.

ROA	Light	Common	Strong	Heavy
Oral	5-10mg	10-25mg	25mg	25mg+

Light Common Strong Heavy

ROA	Onset	Peak	After Effects
Oral	15-45 min	6-8 hrs	1-6 hrs

6 reports

Scores (1–10) curated from multiple sources:

Opioid 6.3

Strong 6/10

Strong euphoria with moderate itching/nausea, mild pain relief, low sedation

Euphoria / Warmth ×3

10

physical euphoria euphoria cognitive euphoria mood lift

Analgesia ×2

4

analgesia

Sedation / Relaxation ×1

3

sedation

⚠ Itching / Nausea ×1

7

nausea constipation dry mouth

Based on reports from:

Build-up develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance

Reset 7–14 days for partial reset; full reset may take weeks — tolerance loss greatly increases overdose risk

Full tolerance 1d Half tolerance 21d Baseline ~35d

Aggregated from 6 Erowid experience reports

Euphoria 66.7% 70%

Sedation 50.0% 70%

Pain Relief 50.0% 70%

Nausea 50.0% 70%