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Peptide library

For research use only. Not medical advice.

A short series on BPC-157. What the compound is, who has studied it, what the sequence shows, and the questions the sources answer.

BPC emblem. Linear peptide. 15 residues in sequence order from the top. No terminal modification drawn. No bound metal. No counter-ion rim. Gastric peptide fragment.BPC

BPC-157

How to read this emblem

The ring is the amino-acid sequence, one arc per amino acid, starting at the top and continuing clockwise. Colors match the sequence beads: special, negative, positive, and hydrophobic. A gap means the chain is linear. The outer halo is the compound family. BPC-157 has no end modifications or bound metal, so none are drawn.

  1. Part 1: What it is — A 15-amino-acid peptide from a larger peptide a Zagreb team reported in stomach juice in 1993.1 min read
  2. Part 2: Who did the research — Who has studied BPC-157: Zagreb, Xi'an, Salt Lake City, Shanghai, and Ghent.3 min read
  3. Part 3: Four prolines and gastric juice — Four prolines in the sequence, and what researchers report about gastric juice.2 min read
  4. Part 4: Questions the sources answer — Free peptide versus acetate, what the 2026 vote did not do, and what a purity percentage is not.3 min read