TB-500 — The Repair & Recovery Peptide
TB-500 is BPC-157’s partner-in-crime — the other name that dominates any conversation about recovery. It’s a synthetic fragment of Thymosin β4, a protein your body already uses to organize repair, and in research it’s prized for one thing above all: reach. Wherever the bloodstream goes, TB-500 is studied to follow — muscle, tendon, connective tissue, even the heart. Whole-body recovery is its whole reputation. Every batch is independently third-party tested for purity and ships with its own certificate of analysis.
- ✓ Credit card / Apple Pay accepted
- ✓ Third-party COA included
- ✓ Free worldwide shipping over $99
Why source TB-500 from Aeternum Life
Every TB-500 batch is verified by an independent laboratory.
HPLC-tested identity and purity on every TB-500 lot.
Sourced and handled to strict, defined specifications.
Discreet, tracked delivery.
What is TB-500?
TB-500 is a synthetic peptide based on the active region of Thymosin β4 — a natural protein found in almost every cell in your body. Its main job in nature is managing actin, the building block cells use to build, move and repair themselves. In short: it’s a copy of one of the body’s master “repair organizers.”
What makes TB-500 stand out in research is reach. Because it travels freely through the bloodstream, studies treat it as a whole-body recovery peptide — muscle, tendon, ligament, skin and even cardiac tissue — along with flexibility and the growth of new blood vessels. Aeternum Life supplies it as ultra-high-purity research material with a batch-specific Certificate of Analysis on every order.
Research directions
TB-500 is a fixture of recovery research, and what sets it apart is just how far-reaching its effects are studied to be. Here are the main directions.
TB-500’s calling card: because it moves throughout the body, it’s studied for repair that isn’t stuck at one injury site — a truly “systemic” recovery peptide.
Like BPC-157, TB-500 is heavily researched for how tendons, muscle and connective tissue rebuild after strain or injury.
A recurring theme is flexibility — TB-500 is studied for how it relates to range of motion and tissue suppleness.
TB-500 is researched for encouraging the new blood vessels that feed oxygen and nutrients into repairing tissue.
At the molecular level, TB-500 acts on actin — the cellular scaffolding behind cell movement, structure and repair.
Some of the most cited TB-500 work looks at heart tissue and wound-healing models.
For research purposes only. These materials are not drugs or dietary supplements and are not intended to diagnose, treat, cure or prevent any disease.
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How TB-500 is tested
- Certificate of Analysis (COA) for every TB-500 batch
- HPLC purity & identity
- Mass-spectrometry confirmed
- Batch-tested and fully traceable
Every TB-500 lot is released only after independent verification, so what you receive matches its stated identity and purity.
Handling & Storage
Guidance for handling TB-500 as a laboratory research material.
Store lyophilized TB-500 cold and protected from light, sealed and dry until use.
Handle TB-500 according to standard laboratory practice for research materials.
Each TB-500 batch ships with a batch-specific COA for identity and purity.
TB-500 is supplied strictly for laboratory and research use. Not for human or veterinary consumption; no administration or dosing guidance is provided.
Specifications
- Name
- TB-500 (Thymosin β4 fragment)
- CAS
- 885340-08-9
- Appearance
- White lyophilized powder
- Size
- 5 mg / 10 mg per vial
- Purity
- ≥ 99% (HPLC, see COA)
- Storage
- Store at 2–8°C, protect from light
For research use. Not intended to diagnose, treat, cure or prevent any disease.
Frequently asked questions
What is TB-500 known for?
In research it’s best known as a whole-body recovery and tissue-repair peptide — muscle, tendon, connective tissue, flexibility and angiogenesis. We share these as research directions, not medical claims.
How is TB-500 different from BPC-157?
They’re the classic recovery duo. BPC-157 is studied more for localized repair (gut, tendons), while TB-500 is studied for broader, whole-body reach — which is why they’re so often researched together. Reconstitution and handling guides for both are shared in our Telegram community.
Is TB-500 for human use?
No. Aeternum Life supplies TB-500 strictly as a research-grade material for laboratory research. It is not sold for human or veterinary consumption.
Is a COA available for TB-500?
Yes — every TB-500 batch ships with a batch-specific Certificate of Analysis covering identity and purity.
About Aeternum Life
Aeternum Life is a Japan-inspired peptide brand built on purity, transparency and rigorous testing — the same standard behind the TB-500 on this page. Every product is presented by its composition and backed by batch-specific documentation.
Explore the full Aeternum Life range
TB-500 is one of more than thirty research-grade materials we supply — each one backed by a batch-specific COA and independent testing.
- ✓ Credit card / Apple Pay accepted
- ✓ Third-party COA included
- ✓ Free worldwide shipping over $99