2x Premium Methylene Blue 1% 60ml – USP Pharma Grade • 99.9% Pure • Lab Verified
Crafted in the UK to USP/pharmaceutical-grade standards. FlowStackHQ: Biohacker-Grade Quality • 99.9% Ultra Pure • Third-Party Tested. our 1% (600 mg) 60 ml solution is triple-filtered, 99.9% pure, and enhanced with Vitamin C + NAC.