Safety question
Is Fasoracetam safe?
Generally yes, with attention to dose and timing. Fasoracetam 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
C
Severe reactions on file
0
Pubmed cites
20
Key facts
- typical dose
- 10–30 mg
- dose frequency
- 2-3 doses
- timing
- AM/midday
- with food
- optional
- onset
- 30 minutes
- half-life
- 5 hours
- safety score
- 4/5
- evidence grade
- C
- class
- racetam
- PubMed citations
- 20
- legal status (US)
- Unscheduled (legal)
- legal status (UK)
- Unscheduled (legal)
- legal status (EU)
- Prescription-only
- legal status (AU)
- Prescription-only
- primary mechanism
- Upregulates GABA-B receptors and modulates metabotropic glutamate receptor groups II and III.
Common side effects
No commonly reported side effects on file for Fasoracetam at typical doses.
Uncommon side effects
- Sedation at high dosemild
- Headachemild
Who should not take Fasoracetam
- Pregnant or breastfeeding individuals — most nootropics have not been adequately studied in pregnancy, and the precautionary principle applies.
- Anyone on a prescription medication that overlaps mechanistically (stimulants, SSRIs, MAOIs, beta-blockers, anticoagulants) — clear interactions with your prescribing clinician before adding Fasoracetam.
- Anyone with significant cardiovascular, hepatic, renal, or psychiatric disease — established conditions raise the baseline risk for any new compound.
- Minors — almost no nootropics have a paediatric safety record, and developing brains are differently sensitive.
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 Fasoracetam are on the main reference page — see Fasoracetam. For the dose-by-dose breakdown, see Fasoracetam 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.