Side effects and watch-outs
- Mild sedation
- Nausea at high doses
- ⚠️ Opioid receptor activity
- Immune activation effects
- Very limited human clinical data outside cancer protocols
Peptide / Neuroprotective
Met-Enkephalin (MENK / Opioid Growth Factor)
Endogenous opioid and immune modulator. At low doses, paradoxically upregulates immune function (similar to LDN mechanism). Used in cancer immunotherapy research.
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