Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
The repair fragment studied in 100+ tissue-healing models
Made in USA — Synthesized in our cGMP-compliant US facility
Buy 1, Get 1 Free · auto-applied
Add 2+ items to cart to activate the discount
Secure, encrypted checkout
Frequently bought together
Researchers usually add these to complete the protocol.
BAC Water · 3ml
Essential · extras
GHK-CU · 50mg
recovery
Melanotan 2 · 10mg
Tanning
TB-500 · 10mg
Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Freedom Diagnostics
Independent analytical lab
Certificate of Analysis
RESULT · PASS
Analytical results
HPLC Chromatogram
Main peak 99.58% · other 0.42%
Alex Johnson
Principal Chemist
Scanned 25×
Know your compound
TB-500 is a synthetic copy of a short, active piece of Thymosin Beta-4 — a natural protein the body floods into wounds within hours of injury. This fragment carries the part linked to cell movement and rebuilding damaged tissue.
What draws researchers is how broadly it works: the same compound shows repair activity across heart, muscle, tendon, and even cornea and brain injury models. It appears to help cells crawl to a wound site and lay down cleaner tissue, so scientists study it as a wide-ranging regenerative tool rather than a single-target drug.
For research use only — not for human or veterinary use.
The research
The published findings behind this compound — the headline numbers, in plain terms, each cited to source. Preclinical results are directional (animal / in-vitro) and shown for context, not as therapeutic claims.
In muscle and tendon injury models, TB-500 was linked to less scar tissue and cleaner tissue architecture than untreated controls.
Directional finding — relative heights, not measured magnitudes.
In rodent cardiac repair models, stem and progenitor cells appeared to migrate to the injury site faster when TB-500 was present than in untreated animals.
Directional finding — relative heights, not measured magnitudes.
In animal models of traumatic brain injury, TB-500 was associated with lower injury markers than untreated animals — an early neuroprotective signal.
Directional finding — relative heights, not measured magnitudes.
TB-500 has been examined in more than 100 published studies across a range of tissue-repair models, reflecting broad research interest.
published studies
Aggregate literature count across repair models.
Mechanism
A broadly-acting regenerative research peptide studied across several tissue-repair routes.
Studied for helping cells crawl toward a wound site through its effect on actin.
Investigated for repair activity across heart, muscle, tendon and other injury models.
Researched for laying down cleaner tissue with reduced scar formation.
For research use only. Mechanisms described reflect published research literature.
The process
Synthesized
Produced under controlled manufacturing with documented, repeatable processes.
HPLC purity
An independent lab reports the exact purity of every lot — a number, never a 'passes'.
Mass-spec identity
Molecular weight confirms the exact sequence is what the label says.
COA published
The certificate is posted to the open library, by lot, before the vial ships.
Best sellers
FAQ
Common questions about TB-500
The COA guarantee
Have any lot independently re-tested. If the results don't match the published certificate, we refund the order in full — no returns, no questions.
Order with coverThird-party tested
An independent, accredited lab — no commercial interest in the result.
A COA on every lot
A lot-specific certificate ships with each vial, archived by batch.
Test it yourself → refund
Re-test any batch at any lab. A mismatch is a full refund.
