
Blue ‘M30’ tablets containing extremely potent ‘nitazene’ opioids
Published on September 19, 2025
Nitazenes are novel synthetic opioids that can produce life-threatening toxic effects in very small amounts. Opioids are central nervous system depressants, typically producing a range of effects including pain relief, sedation, and respiratory depression (dangerously slow breathing). Respiratory depression often appears more quickly with novel synthetic opioids (NSOs), increasing the risk of life-threatening overdose. Nitazenes are extremely potent NSOs,
