J.C. Sheppard, is the Founder of The Fentanyl Test, the world's first FDA-CLEARED, CLIA-waived dip-card test for over-the-counter use, and the world's only Harm Reduction test strip to reach the cutoff level of 1ng/mL which is also the world's only test to not require dilution of any tested substance.
China says fentanyl issue is responsibility of the United States