Gatorade dye could stop fake urine samples in drug tests

NCT ID NCT07356349

First seen Jan 31, 2026 · Last updated Jun 15, 2026 · Updated 27 times

Summary

This study tests if adding a safe dye to a drink can prove that urine samples are real and not tampered with. About 114 adults with substance use disorder will drink Gatorade with or without the dye, then provide a urine sample 15 minutes later. Researchers will check for the dye in the urine using a special device. The goal is to make drug testing more reliable.

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