Tepeptide Buyers Want Answers After Nearly $16,000 Order Reportedly Fails Testing at Two Labs
A group of buyers says it spent almost $16,000 on 127 kits from Tepeptide, only to have samples reportedly fail testing at two separate labs.
Before the purchase, the organisers say they received reassuring certificates of analysis and a promise that any problems would be taken care of. After they raised concerns about the test results, they say the seller promised to investigate—then stopped responding.
Now, according to the organisers, more than 30 members are involved in a dispute that still hasn’t been resolved.
For that kind of money, asking for an explanation and a refund isn’t unreasonable.
This article is based on buyer accounts and their descriptions of the test results. The original lab reports, purchase records and seller messages have not been independently verified for this article.
What was in the order?
The main purchase included 77 kits of KLOW 80 and 50 kits of Wolverine 20, costing nearly $16,000 altogether.
Buyers identify the seller as Tepeptide, using WhatsApp +852 9548 3040.
According to the organisers, the seller supplied COAs before the order and assured them that any issues would be made right. That reassurance matters. When someone tells you they stand behind what they sell, you expect them to follow through when a problem comes up.
The buyers say that hasn’t happened here.
What did the two labs reportedly find?
The organisers say samples of both products were sent to Freedom Diagnostics, where they failed identity testing and returned “No Analyte Detected.”
They then describe further testing at Kovera Labs, under the client name Aminoplex Peptides and batch identifier APX83.
For KLOW 80 mg, the reported results listed GHK-Cu, KPV, BPC-157 and TB-500 at 0 mg each.
For Wolverine 20 mg, the reported results listed BPC-157 and TB-500 at 0 mg each.
According to the organisers, neither sample matched the reference standard.
Those are serious reported findings, and they deserve a clear response from the seller.
But let’s keep the claim accurate: these results concern the samples submitted for testing. They do not prove that every vial in all 127 kits had the same contents. Establishing that would take more evidence, including records connecting the tested samples to the order.
What about the other names being mentioned?
Buyers supplied several other names and profile details alongside their complaint.
These include Stpeptide-y, using WhatsApp +852 9456 1890, and “KA peptidel,” which buyers say appeared on Tepeptide’s profile logo.
They also referenced Peptide-China, the website peptide-china.com, and Zhejiang Peptites Biotech Co., Ltd. (浙江湃肽生物股份有限公司), which they identified as the company listed on that website.
Sinopep was mentioned as well, but it should not be confused with the other named companies.
Here’s where we need to be careful. A seller claiming a connection to a manufacturer does not establish that the manufacturer supplied the order—or had anything to do with it.
The connections between these sellers, the named manufacturers and this purchase remain unconfirmed. Those companies shouldn’t be held responsible for this order without evidence of their involvement.
Buyers say there were problems with other orders, too
Separate complaints involve tesamorelin 20 mg, ipamorelin and epitalon, which buyers also say failed testing.
Those allegations are worth documenting, but they are separate from the main group purchase. They should not be added to the 127-kit total or presented as having the same two-lab findings described above.
The information supplied here isn’t enough to assess those individual complaints.
A promise to investigate is not a resolution
According to the organisers, the seller initially said it would investigate the results. They say communication later stopped, and the complaint remains unresolved.
Remaining kits have been offered for further independent testing, although no results from that proposed testing have been supplied for this article.
At this point, the buyers need more than another promise to look into it. They need a clear explanation of what was shipped, a response to the reported lab findings, and an answer about their money.
The original reports, order records, seller COAs and messages would help establish what happened. Tepeptide’s side of the story matters, too. If the seller disputes the results, it should explain why and provide supporting evidence.
But according to the organisers, they’re still waiting for that response.
Nearly $16,000 is a lot of money to leave people chasing.
Tepeptide, what is your response to these findings—and where is the refund?
Related guides.
NewsGLP-1s Linked to Fewer Psychiatric Hospital Visits in People With Schizophrenia and Diabetes
People who started a GLP-1 medication had a lower hazard of psychiatric hospitalization and emergency visits than the comparison groups. Here's what the study can and cannot tell us.
Guidesmg vs mcg vs mL: How to Read a Peptide Dose Correctly
What mg, mcg, mL and U-100 units each measure, why the same syringe number means a different amount in a different vial, and how to check a calculation before you measure.
CommentaryI'm calling it now: the peptide conversation is moving to X
Platform rules, a compounding proposal and a private certification company are quietly deciding which peptide voices get promoted. Here is what to watch.
GuidesGLP-1 Weight Regain: What the Tirzepatide Trials Show
What SURMOUNT-4 and SURMOUNT-MAINTAIN actually measured about weight regain after tirzepatide, and why "microdosing" is not the same as a lower approved maintenance dose.
News / Regulatory UpdatesFDA Says Retatrutide Is a Drug, Not a Biologic—Again
The FDA has again rejected Eli Lilly's request to classify retatrutide as a biologic. Here's what the decision actually changes — and what it does not.
Get a new guide every week.
Subscribe free and the Beginner's Guide to Peptide Research is yours instantly.