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LAB
⚠️ BE AWARE. THIS IS SHOCKING.
During our visit to Liquilabs, we asked founder and analytical chemist Ján Galbavý:
“What is the most dangerous thing you have ever found in a peptide sample?”
His answer?
An active pharmaceutical ingredient used to lower blood pressure.
“This could kill someone.”
The sample was not from 24Peptides but it shows exactly why independent testing matters.
Cheap research materials are never cheap when nobody can verify what is actually inside.
You don’t have to buy from us. But wherever you buy, make sure every batch has been independently tested and that you can verify the original report yourself.
At 24Peptides, every new batch is tested by Liquilabs.
Don’t trust a label.
Verify the batch.
This is only a teaser. The full film of our Liquilabs visit is coming soon.
For laboratory research purposes only. Not for human consumption.
Why are some peptides so cheap
Here’s what Liquilabs, our independent lab in Prague, told us.
Liquilabs is a third-party lab. They don’t look over anyone’s shoulder. They only stand behind what they measure themselves. One sample. One dataset.
And that’s the key difference. The lab earns money by testing, not by selling the product. Many sellers profit from the product. And most of them don’t care what’s inside.
Most peptides on the market come from China. Many people still go for the cheapest option and think: “We’ll test it ourselves.”
A good step. But usually they only test for purity and content.
What’s often missing:
🧬 Endotoxins
🧬 Bioburden
And even when endotoxins are tested, bioburden still isn’t covered.
The lab’s message to everyone:
Bioburden is not sterility. And neither is endotoxin testing.
Three separate tests. Each one shows a different part of the quality of a sample.
So when a price looks too good to be true, ask one question: which tests were skipped to get there?
No shortcuts. That’s what quality costs.
Which of these three tests did you already know about? Let us know below. For scientific and laboratory research only. Not for human or veterinary use.
The truth about untested peptides
We visited Liquilabs, the independent lab in Prague that tests our research peptides, and asked one question:
What problems do you see the most?
The answer: underdosing. Or no dosing at all.
Vials that contain far less than the label claims. Or none of the stated compound whatsoever.
And it’s not only private buyers. The lab sees it in company samples too. But most of the failed samples come from private individuals.
Peptides ordered straight from manufacturers in China via WhatsApp? According to the lab: terrible, and rarely worth the risk. Their honest advice: don’t.
Then we asked: what’s the most dangerous thing you’ve ever found?
A completely different active ingredient. In one sample, the lab found blood pressure medication. A compound that had no business being in that vial.
In their words: “This should not be here.”
You can’t see what’s inside a vial. Only a lab can.
Choose transparency.
Choose independent verification.
Do you ask for independent lab results before working with a product? Tell us below.
For scientific and laboratory research only. Not for human or veterinary use.
Pure peptides aren_t metal-free
Quality goes far beyond purity.
A peptide can score high on purity and still contain heavy metals. Purity and heavy metal content are two different things. They require two different tests.
So why do so many suppliers skip heavy metal testing?
Simple. It’s more expensive. And most people don’t understand why it matters.
Liquilabs, our independent lab in Prague, explained it like this:
Heavy metals should not be there. But “should not” is not enough. You have to prove they’re not there.
That’s the difference.
999 samples might be fine. But what about the one that isn’t? A problem that doesn’t show up today, or tomorrow, but years from now?
That’s exactly why we test for it.
No blind trust in purity alone.
Better safe than sorry. Every batch.
Did you know purity and heavy metal testing are two separate tests? Drop a if this was new to you.
For scientific and laboratory research only. Not for human or veterinary use.
Anyone can claim purity. We test it
A “99% pure” label means nothing without independent verification.
So we went inside Liquilabs, the independent lab in Prague that tests our research peptides, to see exactly what happens to our samples.
This is the thermostatic chamber. It’s used for the total aerobic microbial count, part of bioburden testing. Samples are cultivated for at least 5 days at 37°C. If bacteria, yeast or mold are present, this is where they show up.
Every sample carries its own code. The lab knows exactly whose sample it is and which analysis it belongs to. Every test runs in duplicate. First injection, second injection. Double-checked.
And every bioburden test runs with a negative and a positive control. Why? So that if anything grows, the lab knows it came from the sample itself. Not from the air. Not from handling. Not from the lab environment.
This is one of the easiest results to read. You can see it with your own eyes.
Our result? Clean.
That’s the difference between claiming purity and proving it.
No hype. No hidden data. Just verified research products.
💬 Does seeing the testing process change how you look at purity claims? Let
us know below.
For scientific and laboratory research only. Not for human or veterinary use.
Every test gets its own vial. Here’s why
Most suppliers send one sample to the lab.
We don’t.
For every batch, we send six vials to Liquilabs, our independent testing lab in Prague.
Five vials. Five completely separate tests. Purity (HPLC), endotoxins, bioburden and more. Each test gets its own vial, so no result can influence another.
The sixth vial is the backup. If a result looks off, the lab retests immediately. No waiting another 10 days for a new sample. Could endotoxins and HPLC be run from a single vial? Technically, yes. But if that one sample gets compromised, there is nothing left to retest. One
mistake, and the result can’t be verified.
That’s why Liquilabs prefers at least two vials, even for those two tests alone.
It costs more. It uses more product.
No shortcuts.
No single-sample guesswork.
Just results you can verify.
💬 Did you know proper testing needs this many vials? Tell us below.
For scientific and laboratory research only. Not for human or veterinary use.
Behind the Science: Our Visit to Liquilabs
Because we receive many questions about the independent testing of our products, we recently visited Liquilabs in person.
It was a fantastic and highly educational experience. We were given a closer look at the laboratory, the testing process and the advanced equipment used. A special thank you to Jan from Liquilabs — a wonderful person with an incredible amount of knowledge and passion for his work.
More photos and videos from our visit will be shared soon!
