Research catalog comparison
BPC-157 vs TB-500
BPC-157 and TB-500 are frequently searched together, but they are distinct research compounds with different identities and evidence bases. This page compares the live catalog side by side without treating the compounds as interchangeable or recommending a use.
Live catalog snapshot
In-stock listings only
BPC-157
- Lowest list price
- $19.99
- 5mg
- Suppliers
- 61
- Active offers
- 136
- Listed quantities
- 27
TB-500
- Lowest list price
- $32.49
- 10mg
- Suppliers
- 53
- Active offers
- 81
- Listed quantities
- 14
Lowest list prices can represent different quantities or forms and are not a direct unit-price comparison. The detailed pages show shipping, coupons, package details, and matching quantity options.
Key differences at a glance
| Comparison | BPC-157 | TB-500 |
|---|---|---|
| Research identity | A synthetic pentadecapeptide commonly described in preclinical research literature. | A synthetic peptide associated with thymosin beta-4 research; supplier naming should be checked carefully. |
| Best comparison method | Compare BPC-157 listings only with the same labeled quantity and form. | Compare TB-500 listings only with the same labeled quantity and form. |
| Evidence caution | Do not extrapolate preclinical findings into established human outcomes. | Distinguish supplier product labels from the thymosin beta-4 terminology used in publications. |
Research summary starting points
BPC-157
BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide consisting of 15 amino acids (sequence: GEPPPGKPADDAGLV) derived from a protective protein found in human gastric juice. The peptide demonstrates pleiotropic biological activity through multiple mechanisms, including stimulation of vascular endothelial growth factor (VEGF) expression and VEGFR2 receptor activation, enhancement of growth hormone receptor expression, activation of the FAK-paxillin pathway for cell migration, and modulation of the nitric oxide system via Src-Caveolin-1-eNOS signaling. Preclinical research in animal models has shown consistent healing effects across diverse tissue types including tendons, ligaments, muscles, bones, gastrointestinal mucosa, and neural tissue. While BPC-157 was tested in Phase I clinical trials for inflammatory bowel disease (PL14736) by Pliva, Croatia, human clinical data remains extremely limited with only one small retrospective study in musculoskeletal pain. The FDA classified BPC-157 as a Category 2 bulk drug substance in 2023, prohibiting compounding due to insufficient safety evidence in humans. The World Anti-Doping Agency (WADA) and major sports organizations ban its use. Despite lack of FDA approval, the peptide is available through gray market channels and increasingly used by clinicians and athletes, raising significant safety and regulatory concerns.
Read the sourced BPC-157 overview →TB-500
TB-500 (Thymosin Beta-4) is a naturally occurring 43-amino acid peptide that functions as the major G-actin-sequestering molecule in mammalian cells. It plays crucial roles in tissue repair, wound healing, and cellular regeneration by regulating cell migration, proliferation, and differentiation. The peptide has demonstrated significant therapeutic potential in multiple clinical applications including dermal wound healing, corneal injuries, dry eye disease, and cardiac tissue repair following myocardial infarction. Phase I and Phase II clinical trials have established its safety profile at various dosing regimens, though it remains unapproved by regulatory agencies. TB-500 is sold on the gray market as a research chemical and is prohibited in competitive sports by the World Anti-Doping Agency due to its performance-enhancing and tissue regeneration properties.
Read the sourced TB-500 overview →Common comparison questions
Are BPC-157 and TB-500 the same compound?
No. BPC-157 and TB-500 are distinct compounds. Compare their identities and evidence separately.
What is the lowest listed BPC-157 price?
The lowest currently indexed in-stock BPC-157 listing starts at $19.99 for 5mg. Compare matching quantities because package size and form affect price.
What is the lowest listed TB-500 price?
The lowest currently indexed in-stock TB-500 listing starts at $32.49 for 10mg. Compare matching quantities because package size and form affect price.
Comparison scope
Peptide Plus compares research-supplier catalog data. This page does not provide medical advice, dosing guidance, or a claim that either compound is appropriate for human use. All listed products are for research purposes only.