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All editions →MethodologyUpdated · September 2026
Thymosin Beta-4 fragment

TB-500.
8 vendors · $20–139

Synthetic fragment of thymosin beta-4. Actively researched for soft-tissue repair.

Clinical-stageLyophilised vialAlso known as:Thymosin β4 fragment (17-23)
Live vendor register · sorted by price

Every vendor. Same compound, sorted ascending.

TB-500 · price-normalised
8 listings · unflagged vendors first
01
QSC PeptidesPickVID-QSC-PEPT · Kit of 10 · US warehouse
5 mg
99%
HPLC · MS · Janoshik
In stock
3–7 days
$20
02
SwissChemsVID-SWISSCHE · US dispatch
2 mg
99%
GC-MS/LC-MS · endotoxin panel
In stock
3–5 days
$24
03
PepsupVID-PEPSUP · €29.99 · duties on delivery · only 3 left; 10 mg €34.99 sold out
5 mg
99%
No COA published (mfr claim 99%+)
Low stock
NL dispatch · PostNL Tracked 2–5 business days
$35
04
Peptide ProsVID-PEPTIDE- · US dispatch · sale price
2 mg
99%
COA library (method unstated)
In stock
Same-day dispatch
$37
05
Purple PeptidesVID-PURPLE-P · US dispatch · legacy report #12189, no lot
10 mg
99.82%
BioRegen LC-MS legacy report (no lot #)
In stock
Same-day dispatch (before 12 PM PST) · USPS 2–4 days
$69
06
Core PeptidesVID-CORE-PEP · US dispatch
5 mg
99%
Per-product COA (method unstated)
In stock
Same-day dispatch
$78
07
Direct PeptidesVID-DIRECT-P · US dispatch · single vial
10 mg
99.23%
UPLC-MS + endotoxin (Horizon Analytical, lot DPS-9645060)
In stock
UPS Ground 2–5 business days (free)
$99
08
Vyal LabsVID-VYAL-LAB · US dispatch
10 mg
99%
COA by lot lookup (HPLC · MS) — no current batch shown
In stock
Same-day dispatch (before 2 PM EST) · 2–3 days
$139
Same research area

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Long-form research guide

Healing and Regeneration Research. Mechanism + protocols + safety.

Accelerating tissue repair and wound healing in preclinical models

Open the long-form guide for TB-500 →