Cortexin polypeptide complex
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A brain-derived low-molecular-weight polypeptide complex (bovine/porcine) that is approved and clinically used in Russia as a nootropic and neuroprotective IM injectable for cognition, neuroplasticity and recovery. Supporting trials are almost entirely Russian and of variable methodological quality, with no Western RCTs or regulatory approval outside the region. Regarded as well-tolerated where used, but the evidence would not meet Western standards and remains region-specific.
