§ Same category · Healing peptides
Thymosin Beta-4 (TB-4) vs TB-500
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Thymosin Beta-4 (TB-4)
0
vendors tracked
TB-500
25
vendors tracked
from $3.50/mg
Thymosin Beta-4 (TB-4)
Full-length actin-sequestering peptide
No current listings at 5mg.
TB-500
Actin-binding healing fragment
Operational
$37.79
$7.56/mg
In stock◎ Best $/mg
Operational
$37.80
$7.56/mg
In stock▲ 0.0% vs best
B-
Operational$40.00
$8.00/mg
In stock▲ 5.9% vs best
Operational
$60.00
$12.00/mg
Out of stock▲ 58.8% vs best
Operational
$78.00
$15.60/mg
In stock▲ 106.4% vs best
Operational
$119.95
$23.99/mg
In stockOn sale▲ 217.4% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Research Peptides Europe EU | A | Operational | $37.79 ◎ Best $/mg | $7.56 | In stock | Buy with code → | |
| ResearchPeptide UK UK | B- | Operational | $37.80 ▲ 0.0% | $7.56 | In stock | Visit → | |
| Peptide Hub US | B- | Operational | $40.00 ▲ 5.9% | $8.00 | In stock | Visit → | |
| Ascension Peptides US | B | Operational | $60.00 ▲ 58.8% | $12.00 | Out | Visit → | |
| Core Peptides US | A | Operational | $78.00 ▲ 106.4% | $15.60 | In stock | Visit → | |
| Nexus Peptides US | B | Operational | $119.95 On sale ▲ 217.4% | $23.99 | In stock | Visit → |
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Last crawl 2026-05-09Sort:
2026-05-09About Thymosin Beta-4 (TB-4)
Full-length thymosin beta-4 — the parent molecule from which the TB-500 fragment is derived. Studied for cardiac repair, cornea healing, and hair growth.
About TB-500
TB-500 is a synthetic fragment of the naturally-occurring thymosin beta-4 peptide, studied in animal models for soft-tissue repair and inflammation modulation.