from £16.95
Third-party tested
TB-500
A synthetic peptide based on Thymosin Beta-4, a protein found in almost every cell. Used in recovery and tissue research.
Strength: 5mg
In stock
£23.99
1
per vial · £4.80 per mg
Buy more, save more
Add 2 more vials and save 20% on every vial —
Order now and it ships today
Free UK delivery on every order
Damaged or wrong? Replaced or refunded
All major cards accepted
- •5mg strength, supplied as lyophilised powder
- •£4.80 per mg, down to £16.79 a vial on 5
- •99.03% purity by HPLC-UV, lot TB5-2607-04
- •Same-day dispatch before 6pm, Royal Mail Tracked 24
Sealed.Cold.Tested.
Lyophilised powder. Store at -20°C, protect from light.
Kept cold
Product information
TB-500 is a synthetic peptide matching the active region of Thymosin Beta-4. It is used in preclinical research on recovery and cell migration. Supplied lyophilised.
- Purity
- 99.03% by HPLC-UV
- Specification
- ≥99% minimum
- Form
- Lyophilised powder
- Strength
- 5mg
- Molecular weight
- 4,963 Da
- Price per mg
- £4.80 per mg
- Storage
- -20°C, protect from light
- Lot
- TB5-2607-04
- Analysed
- 4 Aug 2026
Questions & answers
What is TB-500 peptide?
TB-500 (TB500) is a synthetic peptide matching the active region of Thymosin Beta-4. It is used in preclinical research on recovery and cell migration. Ours comes freeze-dried in 5mg vials, tested to ≥99% by HPLC.
Are TB500 and TB-500 the same thing?
Yes. It is the same peptide written with or without the hyphen.
How fast will my order arrive?
Order before 6pm and it ships the same day by Royal Mail Tracked 24. Most UK orders arrive the next working day.
How do I track my order?
We email you a Royal Mail tracking link as soon as your order ships.
What purity is TB-500?
TB-500 is tested to ≥99% purity by HPLC and supplied as lyophilised powder. You can read the lab report at the top of this page.
How should it be stored?
Store at -20°c, protect from light. Keep it sealed until you mix it. Once mixed, keep it in the fridge.
Product detail
What you get
In the vial
TB-500 5mg, supplied as lyophilised powder and sealed. Tested to ≥99% purity by HPLC.
In the box
Your vials, packed cold and sealed, sent by Royal Mail Tracked 24. Delivery details.
With the order
A tracking link by email, and the batch lab report on this page. Returns policy.
About TB-500 (TB500)
TB-500, also written TB500, is a synthetic copy of the active section of Thymosin Beta-4, a protein found in almost every cell. It is used in recovery and tissue research. We sell it in 5mg vials, tested to ≥99% purity.
01
Thymosin Beta-4 fragment
A copy of the active section of the protein.
02
5mg vials
Freeze-dried, for lab reconstitution.
03
Pairs with BPC-157
The two are often studied together. Both are in our range.
Storing & handling
How to keep TB-500 stable, from delivery to first use.
- 1
Storage
Store at -20°c, protect from light. Keep the vial sealed until you are ready to mix it.
- 2
Reconstitution
Supplied as lyophilised powder. Mix with bacteriostatic water before use.
Shop bacteriostatic water - 3
Purity
Each batch is tested to ≥99% purity by HPLC. The report is at the top of this page.
- 4
After mixing
Once mixed, keep it in the fridge at 2-8°C and away from light.
Read more about TB-500
- TB-500 in Sport and Horse Racing: Doping Cases, WADA Status and the EvidenceHow TB-500 moved from racing stables to the WADA list: the Hong Kong test, the Essendon case, what was really in the vials, and what the research measured.24 October 2026 · 8 min read
- TB-500 vs Thymosin Beta-4: What the Research Does and Does Not ShowHow TB-500 differs from the full thymosin beta-4 protein, what the LKKTETQ fragment was shown to do in the lab, and which trial results apply to it.24 October 2026 · 8 min read
What customers say
Researchers also buy
All Tissue Repair →from £59.99
from £79.99
from £49.99
from £28.99
from £59.99
Need help choosing? Contact the team · Delivery details on the shipping & delivery page · Returns & refunds · Shop all peptides
TB-500 5mg
£23.99