BPC-157 vs TB-500: Mechanism and Cost per mg
BPC-157 and TB-500 are the two peptides most often studied side by side in tissue and recovery research. They are not the same kind of molecule, and they act through different pathways.
Cost per milligram
Both are priced by the milligram, so you can compare what you actually pay, not just the sticker price.
| BPC-157 | TB-500 | |
|---|---|---|
| Molecular origin | Derived from a gastric protein (BPC) | Synthetic fragment of Thymosin β4 |
| Peptide length | 15 amino acids (pentadecapeptide) | Short actin-binding fragment of Tβ4 |
| Primary pathway studied | Angiogenesis (VEGFR2) and nitric-oxide signaling | Actin regulation and cell migration |
| Class | Synthetic gastric peptide | Actin-binding peptide fragment |
BPC-157 is a 15-amino-acid peptide derived from a protein found in gastric juice. In the published literature its mechanism is studied around angiogenesis (the VEGFR2 pathway) and nitric-oxide signaling.
TB-500 is a synthetic version of the active region of Thymosin β4, a naturally occurring actin-binding peptide. Its studied mechanism centers on actin regulation and cell migration, a different molecular process from BPC-157's angiogenic pathway.
Because the two act through separate pathways, recovery research often examines them together rather than as substitutes. They are complementary tools for studying different parts of the same tissue-repair question, which is also why they are the most common peptide pairing searched.
This compares molecular mechanism and receptor class from the published literature only, not efficacy, potency, or outcomes. All Boulder Labs products are for laboratory research use only. Not for human consumption.
Common questions
What is the difference between BPC-157 and TB-500?
BPC-157 is a 15-amino-acid peptide derived from a gastric protein, studied around angiogenesis and nitric-oxide signaling. TB-500 is a synthetic fragment of Thymosin β4, an actin-binding peptide studied around actin regulation and cell migration. They are different molecules acting through different pathways.
How much do BPC-157 and TB-500 cost?
Both are priced by the milligram. The live cost per mg for each is shown above and on each product page, so you can compare the actual per-mg cost rather than the sticker price.