Ranked by PSR score · Nov 2026

Best Tesofensine Vendors

5 vendors we track carry Tesofensine. The 4 that pass our testing gate are ranked below by PSR score, with the certificate each one posts for Tesofensine, a price matched at the same size and any reader code. For laboratory research use only.

Carry it
5

Carry it

Pass testing gate
4

Pass testing gate

Lab-confirmed COAs
4

Lab-confirmed COAs

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

Top 3 Tesofensine vendors by PSR score

The highest PSR scores among open stores that carry Tesofensine 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

    Simple Peptide
    8.32Strong
    Certificate
    Verified (opens in new tab)
    Lab
    Freedom Diagnostics TestingTier A
    Purity
    99.31%
    Tested
    Price
    Login-gated
  2. #2 by PSR score

    Modern Aminos
    7.84Strong
    Certificate
    Verified (opens in new tab)
    Lab
    Freedom Diagnostics TestingTier A
    Tested
    Price
    Login-gated
  3. #3 by PSR score

    Paramount Peptides
    7.07Strong
    Certificate
    No public COANo third-party COA was publicly available at audit time
    Price
    No price listed

Every Tesofensine vendor that passes the gate, by PSR score

4 vendors, highest PSR score first; equal scores are listed alphabetically. The certificate column is the vendor’s certificate for Tesofensine 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.

Tesofensine vendors that pass the testing gate, by PSR score
#VendorPSR scoreTesofensine certificate$/mgReader codeLinks
1Simple Peptide8.32StrongVerified (opens in new tab)Login-gatedShop →
2Modern Aminos7.84StrongVerified (opens in new tab)Login-gatedShop →
3Paramount Peptides7.07StrongNoneNo third-party COA was publicly available at audit timeNo price listedShop →
4Peptide Pro5.66FairVerified (opens in new tab)Login-gatedShop →

Listed separately: 1 vendor outside the ranking

These carry Tesofensine 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 1 vendor that fail the testing gate
Tesofensine vendors that fail the testing gate, by PSR score
#VendorPSR scoreTesofensine certificate
1Swiss Chems5.33WeakVerified (opens in new tab)

Best Tesofensine vendors: frequently asked questions

Who is the best Tesofensine vendor?

By PSR score, Simple Peptide is the highest-rated open store carrying Tesofensine that passes our testing gate (8.32/10, Strong). Modern Aminos (7.84) and Paramount Peptides (7.07) follow. The certificate each of them posts for Tesofensine is shown beside the score, so a reader can check it before buying.

Where can I buy Tesofensine with a discount code?

None of our affiliate partners that pass the testing gate has a reader code that applies to Tesofensine right now. The ranking on this page does not depend on affiliate status either way.

How are these Tesofensine 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 Tesofensine are shown but do not change the order, and affiliate status never does.

Why are some Tesofensine vendors listed separately?

1 vendor carrying Tesofensine does 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 Tesofensine certificate of analysis?

Open the certificate from the vendor's row, confirm it names Tesofensine and a batch, then look up the verification key on the testing laboratory's own site. 4 of the 5 Tesofensine 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.

Age verification

Are you 18 or older?

Peptide Source Review covers research peptides: substances sold for laboratory and research purposes, not for human consumption. By continuing, you confirm that you are at least 18 years old and that nothing on this site is medical or legal advice.

I am not 18, leave

We use a one-time browser memory (localStorage) so you don’t see this again on this device.