What a 5 mg vial costs
Every vendor we track that lists this exact size, cheapest first. Sort order is price only; affiliate status never changes it.
Median $23.20, or $23.20 per mg, across the 4 vendors with an exact, in-stock price.
Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named
Sort by
- Liberty PeptidesP21 5mg$99.00
- Swiss ChemsP21 5mg$114.95$120.00
- Swiss ChemsP21$120.00
- $116.00
- Core Peptides ResearchP21 (5mg)$116.00
- $120.00
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| Liberty Peptides P21 5mg | 5 mg | $99.00 | $19.80 | in stock | Aug 24, 2026 | View |
| Swiss Chems P21 5mg | 5 mg | $114.95$120.00 | $22.99 | in stock | Sep 12, 2026 | View |
| Swiss Chems P21 | 5 mg | $120.00 | $24.00 | listed | Sep 12, 2026 | View |
| Core Peptides P21 | 5 mg | $116.00 | $23.20 | listed | Aug 22, 2026 | View |
| Core Peptides Research P21 (5mg) | 5 mg | $116.00 | $23.20 | in stock | Sep 12, 2026 | View |
| American Peptides P-21 | 5 mg | $120.00 | $24.00 | in stock | Sep 12, 2026 | View°code ALYSSA108066 saves 10% |
We earn from these links. It never changes a price or a position here.
- Core Peptides: Stock not shown, left out of the range
- Swiss Chems: Stock not shown, left out of the range