Back to Phenylpiracetam

Safety question

Is Phenylpiracetam safe?

Generally yes, with attention to dose and timing. Phenylpiracetam scores 4/5. Adverse reactions are uncommon, minor, and reversible on stopping. The main risks are dose-related — starting at the low end of the clinical range and titrating up gives the best safety margin.

Safety score

4 / 5

Evidence grade

B

Severe reactions on file

0

Pubmed cites

80

Key facts

typical dose
100–300 mg
dose frequency
1-2 doses
timing
AM only
with food
optional
onset
30 minutes
half-life
4 hours
safety score
4/5
evidence grade
B
class
racetam
PubMed citations
80
legal status (US)
Unscheduled (legal)
legal status (UK)
Unscheduled (legal)
legal status (EU)
Prescription-only
legal status (AU)
Prescription-only
restrictions
WADA
primary mechanism
Modulates AMPA, NMDA, and nicotinic acetylcholine receptors and increases dopamine receptor density (D1, D2, D3) in the striatum.

Common side effects

Banned or restricted in

  • WADA

Restrictions can include outright bans, prescription-only classification, anti-doping prohibitions (WADA), or supplement-marketing restrictions. Check your local regulator before purchasing.

Who should not take Phenylpiracetam

What "safe" means here

Our safety scoring reflects (a) published clinical and observational literature on healthy-adult use at standard supplement doses, (b) the spectrum of adverse-event reports in the medical and supplement-pharmacovigilance record, and (c) the regulatory status across major jurisdictions. It does notreflect long-term outcomes in populations that haven’t been studied, and it does not substitute for clinical judgement applied to your individual situation.

A 5/5 score does not mean “no risk” — it means risk has been quantified as low in healthy adults at usual doses. Idiosyncratic and allergic reactions are possible with virtually any compound, including those we rate highest.

Full mechanism, citations, and dose guidance for Phenylpiracetam are on the main reference page — see Phenylpiracetam. For the dose-by-dose breakdown, see Phenylpiracetam dosage. To check stack interactions, use the interaction checker.

This page is informational. It is not medical advice and does not establish a clinician-patient relationship. Individual risk varies with genetics, medications, pre-existing conditions, and dose. Always consult a qualified clinician before starting a new compound. See our full disclaimer and terms.