Is Paramount Peptides Legit
Is Paramount Peptides a legit peptide vendor? 65 independent lab tests across 8 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Lab record: Mixed
How we rate- 65 independent tests
- 60 of 65 lots filled to label
- Median purity 99.72%
- 5 of 8 products graded D or E
Some of Paramount Peptides's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested BPC-157
Paramount Peptides graded E. Zenith Jove Peptide ZJ's BPC-157 graded A across 10 tests.
Buy from Zenith Jove Peptide ZJAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Paramount Peptides 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.
BPC-157
Paramount Peptides: grade ECJC-1295
Paramount Peptides: grade ESurvodutide
Paramount Peptides: grade EParamount Peptides 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 Paramount Peptides' site.
- RetatrutideAGREAT
- Tests
- 12
- Passed
- 91.7%
- SemaglutideAGREAT
- Tests
- 9
- Passed
- 100.0%
- IpamorelinBGOOD
- Tests
- 7
- Passed
- 85.7%
- TirzepatideDPOOR
- Tests
- 11
- Passed
- 63.6%
- PT-141DPOOR
- Tests
- 3
- Passed
- 66.7%
- BPC-157EBAD
- Tests
- 11
- Passed
- 54.5%
- CJC-1295EBAD
- Tests
- 9
- Passed
- 33.3%
- SurvodutideEBAD
- Tests
- 3
- Passed
- 33.3%
What the testing shows
Across 65 measured samples from Paramount Peptides, 5 came in more than 5% under the quantity on the label (8%). Another 50 measured more than 5% over. Purity across 65 readings ran from 90.07% to 99.99%, median 99.72%. Samples span Jan 2025 to Feb 2026.
- Under label
- 5/65
- Median purity
- 99.72%
- Latest sample
- Feb 2026
- Ships from
- US CA
more than 5% short
90.07%–99.99% range
first tested Jan 2025
per vendor listing
Our read on Paramount Peptides
45 of Paramount Peptides' 65 graded samples passed (69%), and 11% of all samples were sent in by buyers rather than by the shop.
Results are improving: 80% passed over the latest six months, up from 68% before.
When a sample failed, the most common reason was purity under 99.5% (19 times).
Against the 302 shops with at least five graded tests, Paramount Peptides' pass rate is at or above 43% of them, and it has more tests on record than 84% of them.
When and how Paramount Peptides was tested
Samples per month. The darker part of each bar failed.
- Labs used
- TrustPointe (22), Chromate (16), MZ Biolabs (11), Freedom Diagnostics (8)
- Who sent the samples
- buyers 11%, testing programme 89%
- Batches covered
- 14 distinct batch numbers
Why Paramount Peptides' failed samples failed
The 6 most recent failed tests, with the lab's reason.
Tirzepatide · Feb 2, 2026
purity under 99.5%
BPC-157 · Jul 10, 2025
purity under 99.5%
CJC-1295 DAC · May 20, 2025
purity under 99.5%
CJC-1295 DAC · May 20, 2025
purity under 99.5%
Survodutide · May 6, 2025
purity under 99.5%
Survodutide · May 6, 2025
purity under 99.5%
Lab testing results
Independent results across 8 products.
Individual lab tests
Date
2/2/2026
Purity
99.08%
Quantity
20 mg → 22.1 mg
Lab
Krause Analytical
Vial
White Label / Copper Crimp / Clear Cap
Date
12/6/2025
Purity
99.95%
Quantity
10 mg → 10.4 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Red Cap
Date
12/6/2025
Purity
99.67%
Quantity
5 mg → 5.07 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Blue Cap
Date
12/6/2025
Purity
99.95%
Quantity
20 mg → 20.5 mg
Lab
Krause Analytical
Vial
White Label / Gold Crimp / Clear Cap
Date
10/3/2025
Purity
99.95%
Quantity
5 mg → 4.92 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideWhite Label / Copper Crimp / Clear Cap | 2/2/2026 | 9.9 | 99.08% | 20 mg → 22.1 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Red Cap | 12/6/2025 | 10.0 | 99.95% | 10 mg → 10.4 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Blue Cap | 12/6/2025 | 10.0 | 99.67% | 5 mg → 5.07 mg | Krause Analytical | View |
| RetatrutideWhite Label / Gold Crimp / Clear Cap | 12/6/2025 | 10.0 | 99.95% | 20 mg → 20.5 mg | Krause Analytical | View |
| BPC-157No Label / Silver Crimp / White Cap | 10/3/2025 | 10.0 | 99.95% | 5 mg → 4.92 mg | Krause Analytical | View |
Which Paramount Peptides products tested best
Semaglutide, Retatrutide and Ipamorelin have the strongest record, graded A or B.
PT-141, Tirzepatide, BPC-157, CJC-1295 and Survodutide graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Paramount Peptides
If you order from Paramount Peptides, 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 Paramount Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is paramountpeptides.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 Paramount Peptides
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Paramount Peptides: common questions
Is Paramount Peptides legit?
We rate lab records, not businesses. Mixed lab record: 65 independent tests, 60 of 65 lots filled to label, median purity 99.72%, 5 of 8 products graded D or E. Each result links to its original certificate in the table above.
What do Paramount Peptides reviews say?
We don't hold scored customer reviews for Paramount Peptides yet. The independent lab results on this page are the evidence we have.
Which Paramount Peptides peptides tested best?
We have graded 8 Paramount Peptides products. Semaglutide, Retatrutide and Ipamorelin graded A or B. PT-141, Tirzepatide, BPC-157, CJC-1295 and Survodutide graded D or E.
Is there a Paramount Peptides coupon or discount code?
We don't have a verified Paramount Peptides coupon or discount code. A discount changes the price, not what is in the vial.
Where does Paramount Peptides ship from?
Public listings place Paramount Peptides's shipping origin in US CA. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Paramount Peptides?
Mixed lab record: 65 independent tests, 60 of 65 lots filled to label, median purity 99.72%, 5 of 8 products graded D or E.