Peptilab Research Reviews
Peptilab Research review: 15 independent lab tests across 5 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is PeptiLab Research legit? Lab record: Mixed
How we rate- 15 independent tests
- 10 of 12 lots filled to label
- Median purity 99.83%
- 2 of 4 products graded D or E
Some of PeptiLab Research's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Melanotan II
PeptiLab Research graded D. Eternal Peptides's Melanotan II graded A across 4 tests, $4.00 / mg.
Buy from Eternal PeptidesAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where PeptiLab Research graded D or E, these shops' samples of the same peptide graded A or B. Ordered by grade, then price per mg. Partner status never changes the order.
Melanotan II
PeptiLab Research: grade DBPC-157
PeptiLab Research: grade DPeptiLab Research products we've tested
Best-graded first. Grades come from the share of each product's samples that passed purity and quantity checks. Buy links open PeptiLab Research's site.
- GHK-CuAGREAT
- Tests
- 3
- Passed
- 100.0%
- IpamorelinAGREAT
- Tests
- 3
- Passed
- 100.0%
- Melanotan IIDPOOR
- Tests
- 3
- Passed
- 66.7%
- BPC-157DPOOR
- Tests
- 3
- Passed
- 66.7%
- Tests
- 3
- Passed
- —
What the testing shows
Across 12 measured samples from PeptiLab Research, 2 came in more than 5% under the quantity on the label (17%). Another 6 measured more than 5% over. Purity across 12 readings ran from 98.65% to 99.97%, median 99.83%. Samples span Apr 2025 to May 2025.
- Under label
- 2/12
- Median purity
- 99.83%
- Latest sample
- May 2025
- Ships from
- US. Colorado
more than 5% short
98.65%–99.97% range
first tested Apr 2025
per vendor listing
Our read on PeptiLab Research
10 of PeptiLab Research's 15 graded samples passed (67%), and 0% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was the lab could not confirm it was the labelled peptide (3 times).
Against the 302 shops with at least five graded tests, PeptiLab Research's pass rate is at or above 36% of them, and it has more tests on record than 42% of them.
When and how PeptiLab Research was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Freedom Diagnostics (5), TrustPointe (4), Janoshik (2), Krause Analytical (2)
- Who sent the samples
- testing programme 100%
- Batches covered
- 2 distinct batch numbers
Why PeptiLab Research's failed samples failed
The 5 most recent failed tests, with the lab's reason.
CJC-1295 DAC · May 20, 2025
the lab could not confirm it was the labelled peptide
CJC-1295 DAC · May 20, 2025
the lab could not confirm it was the labelled peptide
Melanotan II · May 8, 2025
purity under 99.5%
CJC-1295 DAC · Apr 25, 2025
the lab could not confirm it was the labelled peptide
BPC-157 · Apr 25, 2025
purity under 99.5%
Lab testing results
Independent results across 5 products.
Individual lab tests
Date
5/20/2025
Purity
—
Quantity
—
Lab
Janoshik
Vial
White Label / Silver Crimp / Red Cap
Date
5/20/2025
Purity
—
Quantity
—
Lab
Janoshik
Vial
White Label / Silver Crimp / Red Cap
Date
5/8/2025
Purity
98.65%
Quantity
10 mg → 11.3 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Yellow Cap
Date
5/8/2025
Purity
99.61%
Quantity
10 mg → 9.52 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Yellow Cap
Date
5/6/2025
Purity
99.971%
Quantity
50 mg → 66.59 mg
Lab
Chromate
Vial
White Label / Silver Crimp / Brown Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| CJC-1295White Label / Silver Crimp / Red Cap | 5/20/2025 | — | — | Janoshik | View | |
| CJC-1295White Label / Silver Crimp / Red Cap | 5/20/2025 | — | — | Janoshik | View | |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 5/8/2025 | 9.9 | 98.65% | 10 mg → 11.3 mg | Krause Analytical | View |
| Melanotan IIWhite Label / Silver Crimp / Yellow Cap | 5/8/2025 | 10.0 | 99.61% | 10 mg → 9.52 mg | Krause Analytical | View |
| GHK-CuWhite Label / Silver Crimp / Brown Cap | 5/6/2025 | 10.0 | 99.971% | 50 mg → 66.59 mg | Chromate | View |
Which PeptiLab Research products tested best
GHK-Cu and Ipamorelin have the strongest record, graded A or B.
Melanotan II and BPC-157 graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from PeptiLab Research
If you order from PeptiLab Research, the A- and B-graded products are the safer picks on this record. For the weaker ones, the better-tested options on this page come from other shops.
We don't track PeptiLab Research's prices yet. Shipping, payment and refund terms are on their site.
The official store is peptilabresearch.com. Check the address before you pay.
What to check before you pay
- The lot number on the vial matches the certificate
- The certificate names the lab and the test date
- Fill versus label, not purity alone
- A refund policy in writing
Track PeptiLab Research
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
PeptiLab Research: common questions
Is PeptiLab Research legit?
We rate lab records, not businesses. Mixed lab record: 15 independent tests, 10 of 12 lots filled to label, median purity 99.83%, 2 of 4 products graded D or E. Each result links to its original certificate in the table above.
What do PeptiLab Research reviews say?
We don't hold scored customer reviews for PeptiLab Research yet. The independent lab results on this page are the evidence we have.
Which PeptiLab Research peptides tested best?
We have graded 4 PeptiLab Research products. GHK-Cu and Ipamorelin graded A or B. Melanotan II and BPC-157 graded D or E.
Is there a PeptiLab Research coupon code?
We don't have a verified PeptiLab Research coupon code. A discount changes the price, not what is in the vial.
Where does PeptiLab Research ship from?
Public listings place PeptiLab Research's shipping origin in US. Colorado. Check the shop's own shipping page before ordering, as origin can change.
Ordering from PeptiLab Research?
Mixed lab record: 15 independent tests, 10 of 12 lots filled to label, median purity 99.83%, 2 of 4 products graded D or E.
About PeptiLab Research
a successor to PeptideWorldwide
Contact
- US. Colorado
- peptilabresearch.com