Thymosin Beta-4 fragment
TB-500.
7 vendors · €21–88
Synthetic fragment of thymosin beta-4. Actively researched for soft-tissue repair.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
TB-500 · price per mg
7 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Adria Science 10 mg at €5.00/mg.
2 mg
1 listing01
SwissChemsVID-SWISSCHE · US dispatch · from $23.96
2 mg
99%
GC-MS/LC-MS · endotoxin panel
In stock
2–3 weeks
€10.50/mg
€21
5 mg
2 listings01
PepsupVID-PEPSUP · NL dispatch · €29.99 (only 3 left) · 10 mg €34.99 sold out
5 mg
99%
No COA published (mfr claim 99%+)
Low stock
NL 1–2 d · EU 2–5 d
€6.00/mg
€30
02
Direct Peptides EUVID-DIRECT-P · UK network · from £28.00
5 mg
99%
HPLC badge only (no reports published)
In stock
10–14 days
€6.60/mg
€33
10 mg
3 listings01
Adria ScienceVID-ADRIA-SC · SI/CZ dispatch
10 mg
98.6%
Liquilabs per-lot COA
In stock
Dispatch 1–3 days
€5.00/mg
€50
02
Particle PeptidesVID-PARTICLE · SK dispatch
10 mg
99.8%
Liquilabs (CZ) · published 2026-09-03, batch field blank on the report (vault file PO-2026347) · HPLC · FTIR · MS identity · microbial counts · endotoxin · elemental impurities · purity 99.8%Liquilabs · HPLC · FTIR · MS · TAMC/TYMC · LAL · Elemental impurities
In stock
2–7 days
€6.50/mg
€65
03
PEAK_PEPTIDEVID-PEAK-PEP · AT dispatch · free bac water
10 mg
99.2%
Liquilabs per-batch COA · ICP-MS
In stock
Dispatch 24–48 h
€8.80/mg
€88
Flagged vendors · documented, never recommended
01
CertaPeptidesVID-CERTAPEP · RO dispatch
5 mg
98%
Janoshik (selected lots)
In stock
3–7 days
€8.80/mg
€44
Same research area
Similar compounds.
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 →