BPC-157
Synthetic 15-amino-acid peptide derived from human gastric juice, studied for tissue repair and gut healing.
15 residues· First described 1991
Overview
BPC-157 is a synthetic 15-amino-acid peptide derived from a protective protein found in human gastric juice. It has been studied in preclinical research for its effects on tissue repair, angiogenesis (new blood vessel formation), and gut lining integrity. BPC-157 is one of the most widely used healing peptides in the optimization community due to its stability at room temperature and accessibility through 503A compounding pharmacies following the 2026 reclassification.
Unlike many peptide therapies that target a single receptor, BPC-157 operates across multiple repair pathways simultaneously - nitric oxide regulation, VEGF signaling for new blood vessel growth, dopamine modulation, and direct action on gut mucosa. This multi-pathway effect is what makes it a foundational compound in tissue-repair stacks like the "Wolverine Stack" (BPC-157 + TB-500) and post-surgical recovery protocols.
Tracking compounds like BPC-157 requires context - logging injection sites, dose timing, and corresponding biomarker trends (inflammation markers, CBC) lets users see how the compound performs for their specific protocol rather than relying on general community anecdote.
Mechanism of Action
BPC-157 is believed to act via upregulation of growth hormone receptors at injury sites, stimulation of nitric oxide synthesis, and activation of angiogenic pathways including VEGF. It protects the endothelium, supports gut epithelial repair, and has been shown in animal studies to accelerate healing of tendon, ligament, muscle, and soft tissue injuries. The compound also interacts with the dopaminergic system, which may explain anti-inflammatory and mood-stabilizing effects reported by some users.
Community Usage Patterns
Community users typically run BPC-157 at 250–500 mcg per dose, 1–2 times daily. For localized injuries, subcutaneous injection near the affected area is common. For systemic use (gut healing, anti-inflammatory effects), abdominal subcutaneous injection is standard. Cycles typically run 4–12 weeks. BPC-157 is often stacked with TB-500 for connective-tissue repair or GHK-Cu for skin and wound-healing protocols.
Education only - not medical advice. Any protocol change should involve your licensed provider.
Biomarkers to Track
When running BPC-157, these are the biomarkers most commonly tracked to assess response and safety:
Reconstitution Calculator
Free calculator for BPC-157 reconstitution math - vial size, BAC water volume, and exact syringe units.
Open BPC-157 calculator →Related Reading
Related Peptides
Stacks That Include BPC-157
BPC-157 Head-to-Head Comparisons
Conditions BPC-157 is Commonly Researched For
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Start tracking →This page is informational and does not constitute medical advice. MyProtocolStack is a tracking and education platform. Work with a licensed provider before starting, changing, or stopping any protocol.