BPC-157 + TB-500 Blend Capsules 1000mcg

Oral research format combining BPC-157 and TB-500. Studied in preclinical protocols where systemic oral absorption of a recovery-peptide blend is the variable of interest. HPLC-tested, third-party COA per batch.

$190.00

SKU: OM-CAPS-BPC/TB-1000MCG Category:

Description

BPC-157 + TB-500 Blend combines two synthetic peptides commonly studied in tissue-repair and recovery research: BPC-157 (Body Protection Compound-157), a stable gastric pentadecapeptide derived from a human gastric juice fragment, and TB-500 (Ac-LKKTETQ), the N-acetylated 17–23 fragment of thymosin beta-4. The two compounds are paired in this blend because their mechanisms are mechanistically complementary — BPC-157 modulates nitric oxide signaling and growth factor expression to support gastrointestinal, vascular, and connective-tissue healing, while TB-500 sequesters G-actin to drive cell migration, angiogenesis, and post-injury tissue remodeling. Both individual compounds are also available as standalone products in our catalog.

The peer-reviewed evidence summarized below is drawn from studies of each compound separately. Independent published work typically used BPC-157 or Tβ4 alone, in animal models or in clinical trials with full-length Tβ4 (RGN-259/RGN-352).

Important Note on the Evidence Base

To our knowledge, no peer-reviewed clinical or preclinical study has tested the specific BPC-157 + TB-500 combination at the amounts or ratios sold in this product. The rationale for combining them is mechanistic complementarity (different signaling pathways, both implicated in tissue repair) and clinical anecdote in the peptide-therapy community — not formal head-to-head or combination-vs-monotherapy data. Additionally, “TB-500” in commercial products refers specifically to the N-acetylated 17–23 fragment (Ac-LKKTETQ), while the strongest peer-reviewed clinical and preclinical work was conducted on full-length thymosin beta-4 (RGN-259, RGN-352). Whether the heptapeptide fragment fully recapitulates the parent protein’s effects in vivo remains an unresolved question. BPC-157’s evidence base is also concentrated in a single research group (Sikiric and colleagues, University of Zagreb) with limited independent replication. This product is for laboratory research only; neither component is approved by the FDA or EMA.

Published Research on the Component Compounds

BPC-157 Achilles Tendon Healing in Rats — Staresinic et al., Journal of Orthopaedic Research (2003)

This rat-model study tested whether systemic intraperitoneal BPC-157 administration could improve healing of surgically transected Achilles tendons. After complete transection 5 mm proximal to calcaneal insertion, daily BPC-157 (10 μg, 10 ng, or 10 pg per kg body weight) was administered starting 30 minutes post-surgery. All BPC-157 amounts produced histologically and functionally improved tendon healing relative to saline controls, with effects evident across a five-log amount-range. The study established the systemic-administration paradigm that has since been applied across BPC-157’s musculoskeletal research portfolio.1

BPC-157 Medial Collateral Ligament Healing — Cerovecki et al., Journal of Orthopaedic Research (2010)

This follow-up study extended the BPC-157 healing model to surgically transected rat medial collateral ligaments (MCL), evaluating recovery at multiple time points across 90 days post-surgery. The study compared three administration routes — intraperitoneal, oral (in drinking water), and topical (thin cream layer) — all delivered without a carrier. All three routes improved MCL healing, supporting the clinical observation that BPC-157 retains activity orally and topically (a property unusual among peptides), although effect sizes varied by route. Histological and biomechanical recovery were both significantly improved versus controls.2

Thymosin Beta-4 Cardiac Repair — Bock-Marquette et al., Nature (2004)

This foundational paper demonstrated that the G-actin-sequestering peptide Tβ4 promotes myocardial and endothelial cell migration in the embryonic heart and retains this property in postnatal cardiomyocytes. Tβ4 was shown to form a functional complex with PINCH and integrin-linked kinase (ILK), activating the survival kinase Akt. After coronary artery ligation in mice, intraperitoneal Tβ4 treatment upregulated cardiac ILK and Akt activity, enhanced early myocyte survival, and improved cardiac function — establishing the mechanistic basis for the cardiac and broader tissue-repair claims associated with thymosin beta-4 and its 17–23 fragment TB-500.3

RGN-259 Phase 3 Trial in Neurotrophic Keratopathy — Sosne et al., International Journal of Molecular Sciences (2022)

This Phase 3 randomized, placebo-controlled, double-masked clinical trial evaluated topical 0.1% RGN-259 (full-length recombinant Tβ4 ophthalmic solution) in patients with neurotrophic keratopathy. RGN-259 treatment promoted rapid healing of corneal epithelial defects, improved Mackie classification disease stage, and produced significant improvements in ocular discomfort, foreign body sensation, and dryness, with no significant adverse effects. This is the strongest peer-reviewed human evidence in the Tβ4 family, although the formulation tested was full-length Tβ4, not the TB-500 fragment.4

About the Compounds

BPC-157

  • Compound class: synthetic stable gastric pentadecapeptide; partial sequence of human Body Protection Compound
  • Sequence: H-Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val-OH (GEPPPGKPADDAGLV)
  • Synonyms: PL 14736, PLD-116
  • CAS Number: 137525-51-0
  • Molecular Formula: C62H98N16O22
  • Molecular Weight: 1419.55 g/mol
  • Mechanism (working): modulation of nitric oxide system, VEGFR-2 expression, and growth factor signaling supporting GI, vascular, and connective-tissue repair
  • Regulatory status: not approved by the FDA or EMA

TB-500

  • Compound class: synthetic N-acetylated heptapeptide; thymosin beta-4 (17–23) fragment
  • Sequence: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln (Ac-LKKTETQ); INN: fequesetide (unacetylated form)
  • CAS Number: 885340-08-9
  • Molecular Formula: C38H68N10O14
  • Molecular Weight: 889.02 g/mol
  • Mechanism: actin-sequestering motif of Tβ4; modulates cell migration, angiogenesis, and tissue repair signaling
  • Regulatory status: not approved by the FDA or EMA. Prohibited by the World Anti-Doping Agency in competition

Product Specifications

  • Format: capsules (1:1 BPC-157 to TB-500 ratio per amount)
  • Strength: 1000 mcg total peptide per capsule (500 mcg BPC-157 + 500 mcg TB-500)
  • Count: 60 capsules per bottle
  • Purity: ≥99% (HPLC verified, each component)
  • Container: sealed amber bottle
  • Certificate of Analysis: lot-specific COA available, with separate purity and identity verification for both component peptides

See the FDA Disclosure, Storage Instructions, and RUO tabs for handling, storage, and regulatory information.

References

  1. Staresinic M, Sebecic B, Patrlj L, et al. Gastric pentadecapeptide BPC 157 accelerates healing of transected rat Achilles tendon and in vitro stimulates tendocytes growth. J Orthop Res. 2003;21(6):976-983. doi:10.1016/S0736-0266(03)00110-4
  2. Cerovecki T, Bojanic I, Brcic L, et al. Pentadecapeptide BPC 157 (PL 14736) improves ligament healing in the rat. J Orthop Res. 2010;28(9):1155-1161. doi:10.1002/jor.21107
  3. Bock-Marquette I, Saxena A, White MD, DiMaio JM, Srivastava D. Thymosin β4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair. Nature. 2004;432(7016):466-472. doi:10.1038/nature03000
  4. Sosne G, Kleinman HK, Springs C, Gross RH, Sung J, Kang S. 0.1% RGN-259 (Thymosin β4) ophthalmic solution promotes healing and improves comfort in neurotrophic keratopathy patients in a randomized, placebo-controlled, double-masked Phase III clinical trial. Int J Mol Sci. 2022;24(1):554. doi:10.3390/ijms24010554
For research use only. Not for human consumption.