Peptides 4 Research reviews
Peptides 4 Research reviews: 20 independent lab tests across 5 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is Peptides 4 Research legit? Lab record: Mixed
How we rate- 20 independent tests
- 1 of 20 lots filled to label
- Median purity 99.53%
- 2 of 3 products graded D or E
Some of Peptides 4 Research's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Ipamorelin
Peptides 4 Research graded E. Peptide Partners's Ipamorelin graded A across 10 tests, $2.89 / mg.
Buy from Peptide PartnersAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Peptides 4 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.
Ipamorelin
Peptides 4 Research: grade EBPC-157
Peptides 4 Research: grade EPeptides 4 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 Peptides 4 Research's site.
- GHK-CuCOKAY
- Tests
- 4
- Passed
- 75.0%
- IpamorelinEBAD
- Tests
- 4
- Passed
- 50.0%
- BPC-157EBAD
- Tests
- 4
- Passed
- 50.0%
- Tests
- 4
- Passed
- —
- Tests
- 4
- Passed
- —
What the testing shows
Across 20 measured samples from Peptides 4 Research, 19 came in more than 5% under the quantity on the label (95%). Another 1 measured more than 5% over. Purity across 20 readings ran from 98.24% to 100%, median 99.53%. Samples span May 2025 to May 2025.
- Under label
- 19/20
- Median purity
- 99.53%
- Latest sample
- May 2025
more than 5% short
98.24%–100% range
first tested May 2025
Our read on Peptides 4 Research
7 of Peptides 4 Research's 20 graded samples passed (35%), and 0% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was purity under 99.5% (10 times).
Against the 302 shops with at least five graded tests, Peptides 4 Research's pass rate is at or above 6% of them, and it has more tests on record than 51% of them.
Why Peptides 4 Research's failed samples failed
The 6 most recent failed tests, with the lab's reason.
Tesamorelin · May 21, 2025
purity under 99.5%
Tesamorelin · May 21, 2025
purity under 99.5%
Ipamorelin · May 20, 2025
purity under 99.5%
Ipamorelin · May 20, 2025
purity under 99.5%
CJC-1295 No DAC · May 20, 2025
purity under 99.5%
CJC-1295 No DAC · May 20, 2025
purity under 99.5%; amount in the vial more than 35% off the label
Lab testing results
Independent results across 5 products.
Individual lab tests
Date
5/21/2025
Purity
99.328%
Quantity
5 mg → 4.34 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black caps
Date
5/21/2025
Purity
99.052%
Quantity
5 mg → 4.11 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black caps
Date
5/20/2025
Purity
99.238%
Quantity
5 mg → 2.69 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black caps
Date
5/20/2025
Purity
99.49%
Quantity
5 mg → 3.3 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black caps
Date
5/20/2025
Purity
99.753%
Quantity
100 mg → 82.91 mg
Lab
Janoshik
Vial
White Label / Silver Crimp / Black caps
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TesamorelinWhite Label / Silver Crimp / Black caps | 5/21/2025 | 9.9 | 99.328% | 5 mg → 4.34 mg | Janoshik | View |
| TesamorelinWhite Label / Silver Crimp / Black caps | 5/21/2025 | 9.9 | 99.052% | 5 mg → 4.11 mg | Janoshik | View |
| CJC-1295White Label / Silver Crimp / Black caps | 5/20/2025 | 9.9 | 99.238% | 5 mg → 2.69 mg | Janoshik | View |
| CJC-1295White Label / Silver Crimp / Black caps | 5/20/2025 | 9.9 | 99.49% | 5 mg → 3.3 mg | Janoshik | View |
| GHK-CuWhite Label / Silver Crimp / Black caps | 5/20/2025 | 10.0 | 99.753% | 100 mg → 82.91 mg | Janoshik | View |
Which Peptides 4 Research products tested best
GHK-Cu graded C.
Ipamorelin and BPC-157 graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Peptides 4 Research
We don't track Peptides 4 Research's prices yet. Shipping, payment and refund terms are on their site.
The official store is peptides4research.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 Peptides 4 Research
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Peptides 4 Research: common questions
Is Peptides 4 Research legit?
We rate lab records, not businesses. Mixed lab record: 20 independent tests, 1 of 20 lots filled to label, median purity 99.53%, 2 of 3 products graded D or E. Each result links to its original certificate in the table above.
What do Peptides 4 Research reviews say?
We don't hold scored customer reviews for Peptides 4 Research yet. The independent lab results on this page are the evidence we have.
Which Peptides 4 Research peptides tested best?
We have graded 3 Peptides 4 Research products. Ipamorelin and BPC-157 graded D or E.
Is there a Peptides 4 Research coupon code?
We don't have a verified Peptides 4 Research coupon code. A discount changes the price, not what is in the vial.
Ordering from Peptides 4 Research?
Mixed lab record: 20 independent tests, 1 of 20 lots filled to label, median purity 99.53%, 2 of 3 products graded D or E.