Read Off Label rates the evidence for Piracetam as Weak-Moderate and the benefit magnitude as variable, producing an overall grade of B (6.4/10). Gouhie 2024 meta-analysis in adults with memory impairment could not definitively establish an effect on memory (heterogeneous data).

Piracetam has a low risk profile in published human data. Legal status: Rx in EU; unscheduled research chem in US (not FDA-approved). This is not medical advice — see the disclaimer.

Piracetam

Cognitive · Racetam

Tier B

Reviewed by Read Off Label · Last reviewed Jun 8, 2026 · How we grade

nootropicnmda-modulatorprescription

6.4 / 10

Tier B

Ev 4.5 Bn 5 Sf 9

Bottom line

Read Off Label grades Piracetam as B (6.4/10) based on weak-moderate evidence, variable benefit magnitude, and a low-risk safety profile.

Gouhie 2024 meta-analysis in adults with memory impairment could not definitively establish an effect on memory (heterogeneous data).

Typical use: 1. — Rx in EU; unscheduled research chem in US.

What this is

Gouhie 2024 meta-analysis in adults with memory impairment could not definitively establish an effect on memory (heterogeneous data). Older 2002 Waegemans meta found modest global benefit in elderly cognitive impairment. Approved in many EU countries for cortical myoclonus and age-related cognitive decline. Generally very well tolerated.

Mechanism

Parent racetam; modulates AMPA and NMDA receptor function; increases membrane fluidity; enhances cerebral blood flow and glucose utilization; mechanism not fully characterized

Dose & route

1.6-4.8 g/day PO in divided doses; attack dose up to 9.6 g/day

Citations

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Common questions

Does Piracetam work?: Read Off Label rates the evidence for Piracetam as Weak-Moderate and the benefit magnitude as variable, producing an overall grade of B (6.4/10). Gouhie 2024 meta-analysis in adults with memory impairment could not definitively establish an effect on memory (heterogeneous data).
Is Piracetam safe?: Piracetam has a low risk profile in published human data. Legal status: Rx in EU; unscheduled research chem in US (not FDA-approved). This is not medical advice — see the disclaimer.
What is the typical dose for Piracetam?: 1.6-4.8 g/day PO in divided doses; attack dose up to 9.6 g/day
How does Piracetam work?: Parent racetam; modulates AMPA and NMDA receptor function; increases membrane fluidity; enhances cerebral blood flow and glucose utilization; mechanism not fully characterized

This is an independent synthesis of published research by a non-clinician. Scores are opinions supported by citations, not prescriptions. See the full disclaimer and methodology for how this score was produced and what it does and doesn't mean.