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 →

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Dosage:

How We Score Transparency

COAs PublishedHigh weightCertificates of Analysis visible on site with batch-specific results

Lab AccreditationHigh weightTesting lab is real, accredited, and independently verifiable

Batch TraceabilityHigh weightCOA batch numbers match product listings and packaging

Years in BusinessMedium weightWHOIS + incorporation records confirm operating history

Customer ResponseMedium weightResponds to inquiries within reasonable timeframe

Refund PolicyLow weightPublished refund/remake policy is accessible and clear

Methodology v2.1 · Last updated Mar 12, 2026Full methodology →

Comparison data coming soon

We're actively researching vendors for TB-500. Full comparison tables with Vendor Transparency Scores will be available shortly.