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for educational and safety purposes
BPC-157 and TB-500 both come up in the same conversations. BPC-157: BPC-157 (Body Protection Compound-157) is a stable synthetic pentadecapeptide derived from a protein found in human gastric juice, used as a research peptide for soft-tissue healing. TB-500: TB-500 is a synthetic peptide based on a fragment of thymosin beta-4, a naturally occurring actin-regulating protein involved in cell migration, angiogenesis, and tissue repair.
BPC-157 (Body Protection Compound-157) is a stable synthetic pentadecapeptide derived from a protein found in human gastric juice, used as a research peptide for soft-tissue healing. Across a large body of preclinical work it has promoted repair of tendon, ligament, muscle, bone, gut, and nerve tissue, largely by driving angiogenesis through the VEGFR2-Akt-eNOS nitric-oxide pathway and by rerouting blood flow through pre-existing collateral vessels. Its evidence base is almost entirely animal studies, with minimal human data and unknown long-term safety, and it is prohibited in sport; it should be regarded as investigational.
TB-500 is a synthetic peptide based on a fragment of thymosin beta-4, a naturally occurring actin-regulating protein involved in cell migration, angiogenesis, and tissue repair. By buffering the cell's pool of actin it promotes the cell movement that closes wounds and builds new blood vessels; notably, its parent protein was the first molecule shown to switch the dormant adult heart's outer layer back into its embryonic vessel-building program after injury. Thymosin beta-4 itself has been advanced into human trials for wound healing, dry eye, and cardiac repair, while TB-500 is used as a research peptide and is prohibited in sport.
both fingerprints on one instrument; where the marks line up the two compounds work the same lever, where a slot goes dark only one of them touches it. read straight from each entry's affinity table; nothing here is invented.
promotes
activates
modulates
regulates
promotes
reduces
strengths are the entries' qualitative ratings (strong / moderate / weak); Ki and EC50 figures appear where an entry records them.
easiest to source: BPC-157 is currently listed by more trusted vendors (7), so it's the simpler one to get hold of. for effects and safety, read each full entry; this is educational, not medical advice.