Test Peptide Products
Send your sample to Finnrick for testing. You can test samples from 15 different products for free, to get peace of mind and contribute to making the market safer by publishing the results on the Finnrick web site. Many other products and blends can be tested for a fee. If you distribute peptides commercially, you can get professional service. Jump directly to the list of additional products and blends available for testing.
Independent peptide testing: what it is and why it matters
The Finnrick point of view
What does “independent peptide testing” mean?
It means third-party lab testing where the process is structured to minimize conflicts of interest and maximize reliability. For Finnrick, “independent” is not satisfied by “no financial ties” alone.
Finnrick increases confidence by:
- Brokering many comparable tests across samples, batches, and labs
- Publishing reproducibility declarations from labs
- Anonymizing samples before they reach the lab
- Grouping samples in larger batches to improve comparability
- Scrutinizing results for inconsistencies and anomalies
- Formally investigating objections from the public or vendors
- Publishing corrections so errors are not hidden from the public
- Cross-referencing results so honest errors do not get mistaken for truth
Online retailers of peptides often display “third-party testing”, which means they have sent a product sample to a commercial analytical lab and published the results so the public can see verified measurement, not just marketing claims.
A lab can be entirely separate from a vendor, staffed by competent analysts with no incentive to misreport, and still produce results that do not reflect what buyers typically receive. We recently saw exactly this: a lab tested five samples from a single vendor in one batch and it appears likely they made a calibration error between the reference standard and the tested compounds. Five COAs were issued with potency values that were wrong by the same proportion. Nobody was lying. Nobody was paid to fudge results. It looks like an honest mistake, but the lab’s quality assurance process failed to catch it. Once communicated to the public, those five COAs may be perceived as convergent evidence. This made the results feel more trustworthy than they really were.
The lesson Finnrick takes from cases like this is that good intentions and conflict-of-interest management are not enough to provide certainty. This is why Finnrick invests so heavily in scale: large volumes of testing make it possible to cross-reference results, compare patterns, and implement additional safeguards that catch more errors. By brokering a high volume of tests and publishing the COAs, Finnrick can offer the public confidence from patterns in the data rather than from any single report.
Third-party testing has its place, but Finnrick offers independent testing, to increase the confidence the public can have in the information. “Third party” typically means using a lab, rather than the vendor themselves running the test, with a verifiable Certificate of Analysis (COA) to point to. That is a good start, but not enough to make results reliably representative of what people typically receive when they order.
And even with such a setup, third-party testing can still produce incorrect results.
The Finnrick model is designed to go further. Most samples we test are crowdsourced from the public, some have been purchased by Finnrick directly, and only a few were submitted by vendors. Our testing is commissioned from commercial labs with no ties to the vendors whose products are being tested.
In practice, the Finnrick protocol is designed to deliver the most accurate picture of what peptide buyers typically receive. Samples are anonymized before they reach the lab. We batch together many samples of the same compound where possible. We use multiple labs so results can be compared. We follow a formal process to investigate issues raised by vendors or the public. And with more than 10,000 tests, most on crowdsourced samples, Finnrick has the clearest real-world snapshots of what is actually on the market, making anomalies easier to spot.
None of this requires trusting any one participant in the process. That is the point: independence, as Finnrick defines it, is a system that produces more reliable information even when individual steps go wrong.
What peptides can Finnrick test?
... and what is free vs paid?
Finnrick accepts a growing list of peptide products for testing. The product table below shows, for each compound:
- whether testing is Free for the public or offered for a fee
- how many test results have been published so far
- the link to register: Test my [product] sample
If you do not see a product listed, check in the “other products” menu of the sample registration form, as additional products are listed there. You can also get in touch to suggest a product for future testing.
How does Finnrick peptide testing work?
At a high level, the peptide testing workflow is:
- You choose a productfrom the list below or the “other products” menu, and register your sample.
- We confirm by email, provide shipping instructions, and you ship the sample to the Finnrick facility in Texas (US shipments only!).
- The sample is processed, anonymized, then sent to a commercial lab for analysis.
- You receive a Certificate of Analysis (COA) by email
- Test results for eligible samples are published, with an update of the vendor's Finnrick Score.
For details on scoring and how Finnrick translates lab results into ratings, see the Testing and Rating Methodology.
What does HPLC peptide testing measure?
Finnrick partner labs typically use HPLC (High Performance Liquid Chromatography) as the primary analytical method for peptide purity testing and quantity verification.
In general, HPLC-based testing is used to measure:
- Identity: whether the expected active substance is present.
- Purity: how much of the sample is the expected substance compared to peptide impurities or degradation byproducts.
- Quantity / potency: how the measured amount compares to the claim (the “label claim” listed on the vial, or a vendor-published “batch claim”).
These measurements help the public compare products using consistent test methods.
Are vendor COAs enough?
A vendor-supplied Certificate of Analysis is valuable, whether run by that vendor’s own lab facilities, or by a third-party lab: it states the vendor’s claim regarding a product batch they are bringing to market, and demonstrates a welcome intent to use evidence in their marketing.
However, it doesn’t serve the same purpose as independent verification. A vendor COA is established from a sample selected by the vendor, by a provider paid by the vendor. It is informative, but not independent: it cannot measure the typical experience of a customer.
With independent testing, the public should be confident that:
- Vendors could not influence the selection of samples, but those are a fair representation of what a customer would typically receive
- The samples have been handled in a way that’s consistent with typical use, and have not received exceptional handling (no cold shipment, for example)
- Labs are not aware of the vendor, and therefore cannot be affected by a commercial bias
- Labs are provided large enough volumes that multiple samples of the same compound are tested in a batch, to provide additional signals to catch problems should they occur
The Finnrick approach is designed to publish results, with a fully-transparent sample collection and testing methodology, so the public can interpret data with full context.
How current is the testing data?
Published test counts and product availability change as new results are published and new products are added. For the most current view, review the product listings.
Get Started: Test Your Peptide Sample Today
Ready to submit a sample? Follow those simple steps:
1) Choose public vs paid testing and register your sample
- Free, public testing (available for a limited list of products, and with restrictive conditions such as the requirement to provide a batch identifier): Results are published to build a public dataset.
- Paid add-ons: endotoxins, heavy metals, or solvents screening, or the option to keep testing results private and withhold publication
- Paid testing: Available for additional products and blends. Pricing is set by product, and is listed in the registration form.
Register your sample with the testing request form.
2. Ship your sample
Follow the shipping instructions provided during registration. Use a tracked method and protective packaging.
3. Share tracking and wait for the results to arrive
Tell us you shipped, and share tracking information with the link in the shipping instructions email. Finnrick will process your sample at our Texas facility, anonymize it, and send it for testing at a commercial partner lab. We’ll capture and process the data as soon as the lab sends us the results.
We make the best commercial effort to shorten turnaround time, but operational realities do not allow Finnrick to guarantee a deadline. Find out more about this step.
4. Receive results
You will receive a link to the test results page on the Finnrick web site, which includes the Certificate of Analysis (COA), as soon as testing is complete. If you selected public testing, results are published with the key context needed for interpretation.
Want to understand scoring and ratings?
Available Products
The following products can be tested by Finnrick partner labs.
Missing a Product?
We welcome suggestions for vendors and products to test.
OR
Do you order products? Finnrick will test it for free.