BPC-157 and TB-500: A Guide to the Recovery Research Peptides

BPC-157 — the "Body Protection Compound"

BPC-157 is a stable synthetic pentadecapeptide (15 amino acids) derived from a sequence found in human gastric juice protein. It is one of the most heavily referenced peptides in preclinical research on cytoprotection, gut tissue, and tendon and ligament models. Its stability is a big part of why it shows up in so much research. Supplied at 10 mg.

TB-500 — a Thymosin β4 fragment

TB-500 corresponds to the active region of Thymosin β4, a naturally occurring actin-binding protein. It's studied for its role in actin regulation, angiogenesis, cell migration, and recovery. Supplied at 10 mg.

Why they're researched together

BPC-157 and TB-500 act through different mechanisms, so studies frequently pair them to look at complementary tissue-repair pathways. That pairing is common enough that vendors offer pre-made blends built around it.

The GLOW and KLOW blends

GLOW combines three regenerative peptides in one vial — GHK-Cu (a copper-binding tripeptide central to skin and hair research), BPC-157, and TB-500 (70 mg total). KLOW adds a fourth, KPV (an α-MSH-derived tripeptide studied for inflammation-pathway modulation), for an 80 mg blend. Both are popular reference blends for combined tissue-repair research. Browse the blends →

On quality

Because blends contain multiple compounds, a COA matters even more — you want confirmation that each component is present at the stated amount. Ask us for it before you order.