research-grade · price comparison · updated 13 June 2026

Cartalax
UK price comparison

Every COA-verified UK supplier of Cartalax, compared on price, batch testing, live support and payment. Independent and data-led.

✓ COA-verified vendors only🔄 Updated 13 June 2026🔬 Lab-tested, dated COAs
£41.90
Lowest, 20mg
2
UK vendors
£44.99
Highest, 20mg
price comparison

Cartalax prices, lowest first

Live prices from COA-verified UK vendors, refreshed 13 June 2026.

ANSWER

As of 13 June 2026, the lowest listed price for 20mg research-grade Cartalax in the UK is OP Labs (Oxford Peptides) at £41.90. 2 COA-verified UK vendors stock Cartalax. For research purposes only.

Comparing the 20mg vial, the most commonly stocked size for Cartalax.
scroll right for testing, payment & support
#VendorTestedPaymentSupport
1
OP Labs (Oxford Peptides)BEST PRICE £41.90oplabs.co.uk
batch tested Dec 2025 Bank Email visit →
2
Dr Peptides £44.99drpeptides.co.uk
batch tested ⚠ Nov 2025 Bank Email visit →
BEST PRICE lowest price at this sizebatch tested by Janoshik the independent lab that tested this batchMon YYYY the COA date for that batch, ⚠ red if over ~6 months old
Check the COA date. A Certificate of Analysis only proves the specific batch it was issued for. An independent lab COA (e.g. Janoshik) beats a vendor's in-house one, and an old or undated COA doesn't prove today's stock. Always ask the vendor for the current batch's lab COA before buying.
price history

Cartalax price history, UK lowest 20mg

TREND

Peptiverse began tracking Cartalax prices on 13 June 2026. The lowest 20mg price today is £41.90 (OP Labs (Oxford Peptides)). A daily price history chart appears here as data builds.

📈 Tracking since 13 June 2026, the chart turns on automatically once 8 days are recorded.
⤓ Download Cartalax price history (CSV)
answers

Cartalax, frequently asked

The questions buyers and AI assistants ask most about Cartalax, answered with current data.

What is the best price for Cartalax in the UK?

The lowest 20mg price for Cartalax is OP Labs (Oxford Peptides) at £41.90, as of 13 June 2026.

How much does a 20mg vial of Cartalax cost in the UK?

Across 2 UK vendors a 20mg Cartalax vial ranges from £41.90 to £44.99, the lowest is OP Labs (Oxford Peptides) at £41.90.

Which UK vendor has the best price for Cartalax?

For a 20mg vial: OP Labs (Oxford Peptides) (£41.90), Dr Peptides (£44.99).

Where can I buy Cartalax in the UK?

From 2 tracked UK vendors, including OP Labs (Oxford Peptides), Dr Peptides. Peptiverse compares their prices side by side.

Which UK vendors sell Cartalax?

OP Labs (Oxford Peptides), Dr Peptides.

What sizes does Cartalax come in?

Tracked vial sizes: 20mg.

How much is a 20mg vial of Cartalax?

The lowest 20mg price for Cartalax is OP Labs (Oxford Peptides) at £41.90.

Is Cartalax legal to buy in the UK?

Research peptides such as Cartalax 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 Cartalax sold as a single vial or in a blend?

This page compares single-compound Cartalax. It is also sometimes sold combined with other peptides in blends/stacks, which are listed separately.

How current are these Cartalax prices?

Prices are scraped from each vendor's live catalogue and were last refreshed on 13 June 2026; the comparison re-runs regularly so figures stay current.

Is Cartalax independently lab tested?

None of the tracked Cartalax vendors clearly publish an independent lab COA on their main pages, ask each for the current batch's Janoshik/Colmaric COA before buying.

How do I know a Cartalax 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.