TB-500 — Vendor Comparison
Thymosin Beta-4 fragment with tissue repair and anti-inflammatory properties. Often studied alongside BPC-157 for synergistic healing effects.
Rankings based on our Vendor Transparency Score — COA publishing, lab accreditation, batch traceability, and published policies.See our methodology →
We earn commissions from some vendors below. This doesn't affect our rankings — they're determined by Vendor Transparency Scores alone.Full disclosure →
How We Score Transparency
Public COA AccessCore evidenceCertificates of Analysis visible on site with batch-specific results
Batch TraceabilityCore evidenceCOA batch numbers match product labels and packaging
Named Testing LabCore evidenceTesting lab is named and independently verifiable
Policy PagesSupporting trustDedicated refund and/or shipping policy pages
Identifiable OwnershipSupporting trustNamed founders, registered business, or physical address
Methodology v2.0 · Last updated Mar 14, 2026Full methodology →
Dosage:
Filter:
17 vendors
| Vendor▼ | Rating▲ | COAs▼ | Est.▼ | Price▼ | Ships▼ | Stock▼ | Actions |
|---|---|---|---|---|---|---|---|
IP Ion Peptides | 2025 | $49.00 $4.90/mg | 2-5 days CC | In Stock | Visit | ||
VP Verified Peptides | 2020 | $62.00 $6.20/mg | 1-3 days MESH | In Stock | Visit | ||
PC Peptide Crafters | 2024 | $65.00 $6.50/mg | 2-5 days VISAMCPayAli | In Stock | Visit | ||
SP Simple Peptides | 2023 | $65.00 $6.50/mg | 1-3 days VISAMCAMEX | In Stock | Visit | ||
SP Skye Peptides | 2023 | $69.00 $6.90/mg | 3-7 days VISAMCAMEXDISCPay₿ | In Stock | Visit | ||
NP NuScience Peptides | 2003 | $74.99 $7.50/mg | 1-3 days CC₿ | In Stock | Visit | ||
N Nexaph | 2024 | $24.50 $2.45/mg | 1-3 days CC₿ | In Stock | Visit | ||
AOP Alpha Omega Peptides | 2024 | $65.00 $6.50/mg | 3-7 days VISAMCAMEXPayAPayVnmoZelle₿ | In Stock | Visit | ||
EP Eternal Peptides | 2024 | $74.99 $7.50/mg | 2-5 days ₿CashZelleBank | In Stock | Visit | ||
LB Limitless Biotech | 2015 | $133.99 $13.40/mg | 2-5 days VISAMC₿CashZelleACH | In Stock | Visit | ||
BL Biolongevity Labs | 2024 | $164.97 $16.50/mg | 1-3 days VISAMCPay₿KlrnaAli | In Stock | Visit | ||
PP Planet Peptide | 2021 | $55.00 $5.50/mg | 2-5 days CC | In Stock | Visit | ||
AL Atomik Labz | 2024 | $65.00 $6.50/mg | 1-3 days VISAMC₿Vnmo | In Stock | Visit | ||
PP Polaris Peptides | 2024 | $70.00 $7.00/mg | 2-5 days VISAMCAMEXDISCVnmoCashZelleACHWire₿ | In Stock | Visit | ||
PP Penguin Peptides | 2025 | $70.00 $7.00/mg | 2-5 days CCAPayAfrm | In Stock | Visit | ||
PPC Precision Peptide Co | 2023 | $89.99 $9.00/mg | 2-5 days CC | In Stock | Visit | ||
P PureRawz | 2017 | $179.79 $17.98/mg | 2-5 days ₿LTCETHVnmoZellePayCC | In Stock | Visit |