Safety question
Is Dihexa safe?
High risk — avoid casual recreational use. Dihexa scores 1/5. Serious adverse events are documented in the clinical or coroner record. Use is appropriate only for narrowly-indicated medical purposes under specialist supervision.
Safety score
1 / 5
Evidence grade
C
Severe reactions on file
1
Pubmed cites
25
Key facts
- typical dose
- 5–35 mg
- dose frequency
- 1 dose
- timing
- AM
- with food
- optional
- safety score
- 1/5
- evidence grade
- C
- class
- peptide
- PubMed citations
- 25
- legal status (US)
- Research-chemical category
- legal status (UK)
- Research-chemical category
- legal status (EU)
- Research-chemical category
- legal status (AU)
- Research-chemical category
- primary mechanism
- Activates the hepatocyte growth factor (HGF) / Met receptor system in neurons, which promotes dendritic spine formation and synaptogenesis.
Common side effects
- No human safety datasevere
Severe reaction risks
Dihexa has the following documented severe adverse reactions: No human safety data. These are rare but require immediate medical attention if they occur.
Who should not take Dihexa
- 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 Dihexa.
- 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 Dihexa are on the main reference page — see Dihexa. For the dose-by-dose breakdown, see Dihexa 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.