Best Cartalax Vendors
13 vendors we track carry Cartalax. The 9 that pass our testing gate are ranked below by PSR score, with the certificate each one posts for Cartalax, a price matched at 20mg and any reader code. For laboratory research use only.
- Carry it
- 13
Carry it
- Pass testing gate
- 9
Pass testing gate
- Lab-confirmed COAs
- 7
Lab-confirmed COAs
Want every carrier ordered by its Cartalax certificate instead, with sizes and stock? See the full Cartalax comparison. How a score is built: How we rate. How to check a certificate yourself: how to read a peptide COA.
Top 3 Cartalax vendors by PSR score
The highest PSR scores among open stores that carry Cartalax and pass our testing gate. Affiliate status plays no part in this list.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
#1 by PSR score
Amino Club8.02Strong- Certificate
- Verified (opens in new tab)
- Lab
- ILS LaboratoriesTier B+
- Purity
- 99.9%
- Tested
- Price
- $3.50/mg ($69.99 for 20mg)
#2 by PSR score
Modern Aminos7.88Strong- Certificate
- Verified (opens in new tab)
- Lab
- Freedom Diagnostics TestingTier A
- Purity
- 99.48%
- Tested
- Price
- $2.70/mg ($54.00 for 20mg)
#3 by PSR score
Ameano Peptides7.80Strong- Certificate
- Verified (opens in new tab)
- Lab
- Janoshik AnalyticalTier B+
- Purity
- 99.72%
- Tested
- Price
- No 20mg
Best Cartalax vendors with a reader discount
Affiliate partners that pass the testing gate and give readers a code that applies to Cartalax, in PSR score order. This block is a convenience only: the ranking below is the same with or without it.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
- Ameano Peptides7.80Strong
- BioLongevity Labs7.24Strong
- NextGen Peps5.95FairNoneNo third-party COA was publicly available at audit time
Every Cartalax vendor that passes the gate, by PSR score
9 vendors, highest PSR score first; equal scores are listed alphabetically. Price per mg is matched at 20mg, the size most carriers sell, so vials compare like for like. The certificate column is the vendor’s certificate for Cartalax only. Affiliate status never affects the order (how we keep it separate).
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
| # | Vendor | PSR score | Cartalax certificate | $/mg at 20mg | Reader code | Links |
|---|---|---|---|---|---|---|
| 1 | Amino Club | 8.02Strong | Verified (opens in new tab) | $3.50/mg | Shop → | |
| 2 | Modern Aminos | 7.88Strong | Verified (opens in new tab) | $2.70/mg | Shop → | |
| 3 | Ameano Peptides | 7.80Strong | Verified (opens in new tab) | No 20mg | Shop → | |
| 4 | Protide Health | 7.67Strong | Verified (opens in new tab) | $4.40/mg | Shop → | |
| 5 | Bluum Peptides | 7.37Strong | Verified (opens in new tab) | $2.45/mg | Shop → | |
| 6 | BioLongevity Labs | 7.24Strong | View (key not found) (opens in new tab) | $3.50/mg | Shop → | |
| 7 | Paramount Peptides | 7.12Strong | Verified (opens in new tab) | No 20mg | Shop → | |
| 8 | StudzPeptides | 6.99Fair | Verified (opens in new tab) | $2.25/mg | Shop → | |
| 9 | NextGen Peps | 5.95Fair | NoneNo third-party COA was publicly available at audit time | $2.30/mg | Shop → |
Listed separately: 4 vendors outside the ranking
These carry Cartalax but do not meet our testing gate, so they are never placed in the ranking above, whatever their score. The gate records what we could verify; it is not a finding of a quality or safety problem.
Show 4 vendors that fail the testing gate
| # | Vendor | PSR score | Cartalax certificate |
|---|---|---|---|
| 1 | Swiss Chems | 5.39Weak | NoneNo third-party COA was publicly available at audit time |
| 2 | Redline Bio Labs | 4.80Weak | Vendor report (lab not established) (opens in new tab) |
| 3 | Peptara Labs | 2.38Poor | NoneNo third-party COA was publicly available at audit time |
| 4 | Welon Peptide Solutions | 2.13Poor | NoneNo third-party COA was publicly available at audit time |
Best Cartalax vendors: frequently asked questions
Who is the best Cartalax vendor?
By PSR score, Amino Club is the highest-rated open store carrying Cartalax that passes our testing gate (8.02/10, Strong). Modern Aminos (7.88) and Ameano Peptides (7.80) follow. The certificate each of them posts for Cartalax is shown beside the score, so a reader can check it before buying.
Where can I buy Cartalax with a discount code?
3 affiliate partners carrying Cartalax pass our testing gate and give readers a code that applies to it. The highest rated is Ameano Peptides (code peptidesourcerehog, 10% off). We may earn a commission on those links; it never changes a score or a rank.
How are these Cartalax vendors ranked?
By PSR score, the published vendor score out of 10, built from lab testing, certificate verification, pricing, shipping, operating history and reviews under the rules on How We Rate. Equal scores are listed alphabetically. Price per mg and the certificate for Cartalax are shown but do not change the order, and affiliate status never does.
Why are some Cartalax vendors listed separately?
4 vendors carrying Cartalax do not meet our testing gate: third-party testing could not be established or independently verified. They are listed below the ranking rather than in it. The gate records what we could verify; it is not a finding of a quality or safety problem.
How do I check a Cartalax certificate of analysis?
Open the certificate from the vendor's row, confirm it names Cartalax and a batch, then look up the verification key on the testing laboratory's own site. 7 of the 13 Cartalax certificates we track were confirmed at the lab. Our guide on how to read a peptide COA walks through each field. For laboratory research use only.