1% Methylene Blue | 120ml / 4.2 fl. Oz. | USP Food Grade| Postal Bottle | UK Lab
Produced in the UK at a GMP-, ISO 22000-, and ISO 22716-certified facility. Trusted by researchers, health practitioners, biohackers, and nootropic users worldwide. 🛡️Antioxidant Defence: Reduces oxidative stress and supports longevity.