Fentanyl and xylazine, a.k.a. Tranq, are causing widespread harm. To combat this, RapiSure is making testing drugs fast and easy. We support the harm reduction community by supplying at need-people, and organizations with the ability to test for fentanyl and xylazine. Our all-inclusive combo test strip kits keep testing for fentanyl/xylazine in pills or powders simple. Our easy to read analysis chart makes getting your results quick and easy. One line on the strip indicates a positive result. Two lines indicate a negative result.