§ Same category · Healing peptides
LL-37 vs TB-500
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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LL-37
17
vendors tracked
from $4.60/mg
TB-500
24
vendors tracked
from $3.30/mg
◎ Cheapest $/mg:TB-500 at $3.30/mg
LL-37
Antimicrobial cathelicidin
B-
Operational$35.75
$7.15/mg
In stockOn sale
Watch
$37.99
$7.60/mg
In stock▲ 6.3% vs best
Operational
$42.99
$8.60/mg
In stock▲ 20.3% vs best
Operational
$43.19
$8.64/mg
In stock▲ 20.8% vs best
B
Operational$45.00
$9.00/mg
In stock▲ 25.9% vs best
B
Operational$45.99
$9.20/mg
In stockOn sale▲ 28.6% vs best
Operational
$50.00
$10.00/mg
In stock▲ 39.9% vs best
Operational
$64.99
$13.00/mg
In stock▲ 81.8% vs best
B-
Operational$77.00
$15.40/mg
In stock▲ 115.4% vs best
Watch
$77.00
$15.40/mg
In stock▲ 115.4% vs best
Operational
$84.99
$17.00/mg
In stock▲ 137.7% vs best
Operational
$89.00
$17.80/mg
In stock▲ 149.0% vs best
Operational
$94.97
$18.99/mg
In stock▲ 165.7% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Southern Aminos US | B- | Operational | $35.75 On sale | $7.15 | In stock | Buy with code → | |
| Modern Research Peptides (.net) US | B- | Watch | $37.99 ▲ 6.3% | $7.60 | In stock | Visit → | |
| AMC Essentials US | B | Operational | $42.99 ▲ 20.3% | $8.60 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $43.19 ▲ 20.8% | $8.64 | In stock | Visit → | |
| Ion Peptide US | B | Operational | $45.00 ▲ 25.9% | $9.00 | In stock | Visit → | |
| MS Peptides US | B | Operational | $45.99 On sale ▲ 28.6% | $9.20 | In stock | Visit → | |
| Peptide Crafters US | A | Operational | $50.00 ▲ 39.9% | $10.00 | In stock | Visit → | |
| Research Peptides US | B | Operational | $64.99 ▲ 81.8% | $13.00 | In stock | Visit → | |
| Atomik Labz US | B- | Operational | $77.00 ▲ 115.4% | $15.40 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $77.00 ▲ 115.4% | $15.40 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $84.99 ▲ 137.7% | $17.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $89.00 ▲ 149.0% | $17.80 | In stock | Visit → | |
| BioLongevity Labs US | B | Operational | $94.97 ▲ 165.7% | $18.99 | In stock | Visit → |
Sort:
Last crawl 2026-08-12Sort:
2026-08-12TB-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 → |
Sort:
Last crawl 2026-08-12Sort:
2026-08-12About LL-37
The only human cathelicidin, studied for antimicrobial activity, wound healing, and modulation of innate immunity.
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.