Cortagen — Price Comparison
A synthetic four-amino-acid peptide (Ala-Glu-Asp-Pro) studied as a bioregulator for brain-related gene expression and nerve repair, almost entirely in animal and cell-culture research. Compare Cortagen prices from $72 across 10 indexed vendors, with per-mg pricing and third-party COA verification.
Cortagen prices by vendor
| Vendor | Dose | Price | Per mg | Lab COA |
|---|
| Guangsheng (Lyla) | 20 mg | $72 | $3.6/mg | — |
| Xjun Peptide | 20 mg | $85 | $4.25/mg | — |
| VendorPep | 20 mg | $92 | $4.6/mg | — |
| Chengtong Peptide | 20 mg | $95 | $4.75/mg | — |
| Homopeptide | 20 mg | $98 | $4.9/mg | — |
| GanZhu Peptide （Verna） | 20 mg | $110 | $5.5/mg | — |
| Tanran Peptide | 20 mg | $110 | $5.5/mg | — |
| AMSpeps | 20 mg | $125 | $6.25/mg | — |
| RL Peptide | 20 mg | $140 | $7/mg | — |
| Uther | 20 mg | $150 | $7.5/mg | — |
Frequently asked questions
- How much does Cortagen cost?
- Cortagen starts at $72 across 10 indexed vendors on VendorPep. Prices shown are per kit (10 vials) and update as vendors change them.
- Which vendor has the cheapest Cortagen?
- As of the latest price update, Guangsheng (Lyla) lists the lowest price at $72 for the 20 mg size. Every vendor and dose is compared on this page, and the ranking rotates fairly.
- Is Cortagen third-party tested?
- No indexed vendor currently has a third-party COA on file for Cortagen. Check each vendor's profile for their latest testing status before buying.
- What sizes of Cortagen are available?
- Indexed vendors list Cortagen in 1 size: 20 mg.
- What is a typical Cortagen dose?
- No approved-label dosage exists; animal studies have used widely different amounts (roughly 0.1mcg/animal/day subcutaneously in mice up to 10mcg/kg intramuscularly in rats), none of which convert into a human dose. This is research information gathered from public sources, not medical advice.
View live Cortagen prices on VendorPep