Legal Status of Peptides
Zero tolerance for controlled substances without HSA approval. The Health Sciences Authority (HSA) regulates all therapeutic products. Many peptides require prior approval for import. Unauthorized import of controlled substances carries severe penalties.
Cross-reference this brief with our peptide travel regulations hub for neighbouring jurisdictions.
Airport & Customs Rules
- Check HSA regulations before travel
- Apply for import permits if required
- Declare all medications at customs
- Carry doctor's letter and prescription
- Some peptides may require specific permits
Airport Intelligence
Declaration threshold
Declare any injectable; >1-month supply triggers secondary inspection
Inspection likelihood
HighCommonly confiscated
- Unlabeled vials and lyophilized powders
- Syringes without a doctor's letter
- GHRP / IGF-1 / Melanotan compounds
- Bulk quantities suggesting commercial intent
- Anything missing patient name on the label
Airport-specific notes
- SIN Changi: HSA enforces import permits for many peptides — check before flying
- Zero-tolerance posture: undeclared = seizure + possible prosecution
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