Ranked by PSR score · Nov 2026

Best SLU-PP-332 Vendors

19 vendors we track carry SLU-PP-332. The 10 that pass our testing gate are ranked below by PSR score, with the certificate each one posts for SLU-PP-332, a price matched at 5mg and any reader code. For laboratory research use only.

Carry it
19

Carry it

Pass testing gate
10

Pass testing gate

Lab-confirmed COAs
10

Lab-confirmed COAs

Want every carrier ordered by its SLU-PP-332 certificate instead, with sizes and stock? See the full SLU-PP-332 comparison. How a score is built: How we rate. How to check a certificate yourself: how to read a peptide COA.

Top 3 SLU-PP-332 vendors by PSR score

The highest PSR scores among open stores that carry SLU-PP-332 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. #1 by PSR score

    Loti Labs
    7.68Strong
    Certificate
    Verified (opens in new tab)
    Lab
    SR BiolabsTier A-
    Purity
    99.83%
    Tested
    Price
    No price listed
  2. #2 by PSR score

    Bluum Peptides
    7.37Strong
    Certificate
    Verified (opens in new tab)
    Lab
    Freedom Diagnostics TestingTier A
    Tested
    Price
    No price listed
  3. #3 by PSR score

    Paramount Peptides
    7.12Strong
    Certificate
    Verified (opens in new tab)
    Lab
    Janoshik AnalyticalTier B+
    Tested
    Price
    No price listed

Best SLU-PP-332 vendors with a reader discount

Affiliate partners that pass the testing gate and give readers a code that applies to SLU-PP-332, 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.

Every SLU-PP-332 vendor that passes the gate, by PSR score

10 vendors, highest PSR score first; equal scores are listed alphabetically. Price per mg is matched at 5mg, the size most carriers sell, so vials compare like for like. The certificate column is the vendor’s certificate for SLU-PP-332 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.

SLU-PP-332 vendors that pass the testing gate, by PSR score
#VendorPSR scoreSLU-PP-332 certificate$/mg at 5mgReader codeLinks
1Loti Labs7.68StrongVerified (opens in new tab)No price listedShop →
2Bluum Peptides7.37StrongVerified (opens in new tab)No price listedShop →
3Paramount Peptides7.12StrongVerified (opens in new tab)No price listedShop →
4StudzPeptides6.99FairVerified (opens in new tab)No price listedShop →
5Rogue Compounds6.88FairVerified (opens in new tab)No 5mgShop →
6Hacker Peptides6.32FairVerified (opens in new tab)$8.97/mgShop →
7Hello Stacks6.14FairNoneNo third-party COA was publicly available at audit time$15.80/mgShop →
8NextGen Peps5.95FairVerified (opens in new tab)No price listedShop →
9AminoVault5.78FairView COA (differs from lab copy) (opens in new tab)$11.90/mgShop →
10Peptide Pro5.60FairVerified (opens in new tab)Login-gatedShop →

Listed separately: 9 vendors outside the ranking

These carry SLU-PP-332 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 9 vendors that fail the testing gate
SLU-PP-332 vendors that fail the testing gate, by PSR score
#VendorPSR scoreSLU-PP-332 certificate
1Swiss Chems5.39WeakVerified (opens in new tab)
2Redline Bio Labs4.80WeakVendor report (lab not established) (opens in new tab)
3Based Research4.54WeakVerified (opens in new tab)
4Ageless Peptides4.30WeakNoneNo third-party COA was publicly available at audit time
5Nextday Peptides3.27PoorNoneNo third-party COA was publicly available at audit time
6YourFitnessPeptides2.75PoorNoneNo third-party COA was publicly available at audit time
7Peptara Labs2.38PoorVendor report (lab not established) (opens in new tab)
8Welon Peptide Solutions2.13PoorNoneNo third-party COA was publicly available at audit time
9Medura Peptides1.63PoorNoneNo third-party COA was publicly available at audit time

Best SLU-PP-332 vendors: frequently asked questions

Who is the best SLU-PP-332 vendor?

By PSR score, Loti Labs is the highest-rated open store carrying SLU-PP-332 that passes our testing gate (7.68/10, Strong). Bluum Peptides (7.37) and Paramount Peptides (7.12) follow. The certificate each of them posts for SLU-PP-332 is shown beside the score, so a reader can check it before buying.

Where can I buy SLU-PP-332 with a discount code?

3 affiliate partners carrying SLU-PP-332 pass our testing gate and give readers a code that applies to it. The highest rated is Hello Stacks (code PSR25, 25% off). We may earn a commission on those links; it never changes a score or a rank.

How are these SLU-PP-332 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 SLU-PP-332 are shown but do not change the order, and affiliate status never does.

Why are some SLU-PP-332 vendors listed separately?

9 vendors carrying SLU-PP-332 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 SLU-PP-332 certificate of analysis?

Open the certificate from the vendor's row, confirm it names SLU-PP-332 and a batch, then look up the verification key on the testing laboratory's own site. 10 of the 19 SLU-PP-332 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.

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