A distilled, research-backed primer on 30 of the most studied peptides across performance, recovery, metabolism, cognition, and longevity — mechanisms, evidence, and open questions. No marketing. No hype.
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Mechanisms · Evidence tiers · Open questions · What we're still watching
Receptor targets, downstream effects, and where the evidence actually starts and stops.
Which peptides have human trials, which sit on animal data, and what "promising" really means.
Known risks, unknowns, and the regulatory reality in the US and abroad.
Body Protection Compound · Pentadecapeptide · Gastric-derived
A synthetic 15-amino-acid sequence derived from a protein found in human gastric juice. Studied primarily in rodent models for tendon, ligament, gut, and vascular repair. Proposed mechanisms include upregulation of VEGFR2 signaling and modulation of nitric oxide pathways at the site of injury.
Written for researchers, clinicians, and thoughtful non-specialists who want a calibrated overview of the peptide landscape without wading through vendor blogs or forum threads.
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Educational only. This guide is intended for research and educational purposes and is not medical advice. Nothing in it constitutes a recommendation to acquire, use, or administer any substance. Consult a qualified clinician for personal medical decisions.