§ 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
24
vendors tracked
from $3.30/mg
Thymosin Beta-4 (TB-4)
Full-length actin-sequestering peptide
No current listings at 5mg.
TB-500
Actin-binding healing fragment
Watch
$34.27
$6.85/mg
In stock◎ Best $/mg
Operational
$37.79
$7.56/mg
In stock▲ 10.3% vs best
Operational
$37.80
$7.56/mg
In stock▲ 10.3% vs best
B
Operational$39.99
$8.00/mg
In stockOn sale▲ 16.7% vs best
Operational
$54.00
$10.80/mg
In stockOn sale▲ 57.6% vs best
Operational
$59.99
$12.00/mg
In stockOn sale▲ 75.1% vs best
Operational
$78.00
$15.60/mg
In stock▲ 127.6% vs best
Operational
$119.95
$23.99/mg
In stockOn sale▲ 250.0% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Modern Research Peptides (.net) US | B- | Watch | $34.27 ◎ Best $/mg | $6.85 | In stock | Buy with code → | |
| Research Peptides Europe EU | A | Operational | $37.79 ▲ 10.3% | $7.56 | In stock | Visit → | |
| ResearchPeptide UK UK | B- | Operational | $37.80 ▲ 10.3% | $7.56 | In stock | Visit → | |
| MS Peptides US | B | Operational | $39.99 On sale ▲ 16.7% | $8.00 | In stock | Visit → | |
| Ascension Peptides US | B | Operational | $54.00 On sale ▲ 57.6% | $10.80 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $59.99 On sale ▲ 75.1% | $12.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $78.00 ▲ 127.6% | $15.60 | In stock | Visit → | |
| Nexus Peptides US | B | Operational | $119.95 On sale ▲ 250.0% | $23.99 | In stock | Visit → |
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Last crawl 2026-08-12Sort:
2026-08-12About 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.