As of 9 June 2026, the lowest listed price for 20mg research-grade Cortagen in the UK is OP Labs (Oxford Peptides) at £41.90. 2 COA-verified UK vendors stock Cortagen. For research purposes only.
Cortagen price history, UK lowest 20mg
Peptiverse began tracking Cortagen prices on 9 June 2026. The lowest 20mg price today is £41.90 (OP Labs (Oxford Peptides)). A daily price history chart appears here as data builds.
Cortagen, frequently asked
The questions buyers and AI assistants ask most about Cortagen, answered with current data.
What is the best price for Cortagen in the UK?
The lowest 20mg price for Cortagen is OP Labs (Oxford Peptides) at £41.90, as of 9 June 2026.
How much does a 20mg vial of Cortagen cost in the UK?
Across 2 UK vendors a 20mg Cortagen vial ranges from £41.90 to £44.90, the lowest is OP Labs (Oxford Peptides) at £41.90.
Which UK vendor has the best price for Cortagen?
For a 20mg vial: OP Labs (Oxford Peptides) (£41.90), Kensington Labs (£44.90).
Where can I buy Cortagen in the UK?
From 2 tracked UK vendors, including OP Labs (Oxford Peptides), Kensington Labs. Peptiverse compares their prices side by side.
Which UK vendors sell Cortagen?
OP Labs (Oxford Peptides), Kensington Labs.
What sizes does Cortagen come in?
Tracked vial sizes: 20mg.
How much is a 20mg vial of Cortagen?
The lowest 20mg price for Cortagen is OP Labs (Oxford Peptides) at £41.90.
Is Cortagen legal to buy in the UK?
Research peptides such as Cortagen are legal to buy and sell in the UK as laboratory research materials, provided they are supplied for research use only, not for human consumption, and carry no medical claims.
Is Cortagen sold as a single vial or in a blend?
This page compares single-compound Cortagen. It is also sometimes sold combined with other peptides in blends/stacks, which are listed separately.
How current are these Cortagen prices?
Prices are scraped from each vendor's live catalogue and were last refreshed on 9 June 2026; the comparison re-runs regularly so figures stay current.
Is Cortagen independently lab tested?
Yes, 1 vendor listing Cortagen publish an independent lab COA (Janoshik): Kensington Labs. Others show an in-house or no published COA, so always check the batch COA before buying.
How do I know a Cortagen COA is genuine and current?
Trust a COA that is (1) from an independent lab such as Janoshik, not in-house, (2) tied to the exact batch you're buying, and (3) recently dated. An undated or old COA, or one for a different batch, does not prove the quality of current stock.