5-Hydroxytryptophan found in unknown powder
Published on October 18, 2025
A BAGGIE FILLED WITH WHITE POWDER was brought to CanTEST for testing. The expectations for its contents were unknown by the service user. Testing at CanTEST confirmed the substance is 5-hydroxytryptophan (5-HTP). 5-HTP is available in some other jurisdictions without a prescription (like NZ, UK, EU and USA), however it isn't on the TGA's Permissible