research-grade · price comparison · updated 16 September 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 16 September 2026🔬 Lab-tested, dated COAs
£39.99
Lowest, 20mg
2
UK vendors
£46.50
Highest, 20mg
price comparison

Cartalax prices, lowest first

Live prices from COA-verified UK vendors, refreshed 16 September 2026.

ANSWER

As of 16 September 2026, the lowest listed price for 20mg research-grade Cartalax in the UK is Regenix Peptides at £39.99. 2 COA-verified UK vendors stock Cartalax. For research purposes only.

Comparing the 20mg vial, the most commonly stocked size for Cartalax.
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#VendorTestedPaymentSupportPens
1 Regenix PeptidesBEST PRICE £39.99regenix-peptides.co.uk batch tested by Janoshik Mar 2026 Bank Email · visit →
2 Pure Peptides UK £46.50purepeptidesuk.com batch tested date not shown · Live chat 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

As of 16 September 2026, the lowest 20mg price for Cartalax is £39.99 (Regenix Peptides). Over the 9 days tracked it has ranged £39.99 to £41.90, averaging £41.69. That is the lowest price we have tracked. Down 5% since tracking began on 13 June 2026.

2026-06-13: £41.902026-09-16: £39.992026-09-16: £39.99
13 June 2026lowest 20mg price16 September 2026
£39.99
Lowest tracked
£41.90
Highest
£41.69
Average
9
Days tracked
⤓ 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 Regenix Peptides at £39.99, as of 16 September 2026.

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

Across 2 UK vendors a 20mg Cartalax vial ranges from £39.99 to £46.50, the lowest is Regenix Peptides at £39.99.

Which UK vendor has the best price for Cartalax?

For a 20mg vial: Regenix Peptides (£39.99), Pure Peptides UK (£46.50).

Where can I buy Cartalax in the UK?

From 2 tracked UK vendors, including Regenix Peptides, Pure Peptides UK. Legit Peptides compares their prices side by side.

Which UK vendors sell Cartalax?

Regenix Peptides, Pure Peptides UK.

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 16 September 2026; the comparison re-runs regularly so figures stay current.

Is Cartalax independently lab tested?

Yes, 1 vendor listing Cartalax publish an independent lab COA (Janoshik): Regenix Peptides. Others show an in-house or no published COA, so always check the batch 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.