Revolutionary peptide technology Scroll down Innovative mechanism of action First-in-class dual-mechanism analgesic, non-addictive tetrapeptide. Unique Mechanism of Action Dual-Mechanism Analgesic: μ1 – Selective Opioid Agonist + Calcium Channel Modulator Highly selective μ1-opioid agonist A highly selective MOR1 agonist with minimal to no effect on MOR2, MOR3, KOR, or DOR. Non-Addictive Safety Profile Avoids all major opioid side effects: Addiction, Respiratory, Cardiac, Gastrointestinal. We lead and inspire modern peptide innovation to enhance human health. More about Taphalgin