Purely Peptides reviews
Purely Peptides reviews: 4 independent lab tests across 2 products, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Purely Peptides legit? Lab record: Limited
How we rate- 4 independent tests
- 3 of 4 lots filled to label
- Median purity 99.9%
- 1 of 2 products graded D or E
Some of Purely Peptides's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Purely Peptides graded E. Paradigm Peptide's Retatrutide graded A across 8 tests, $10.00 / mg.
Buy from Paradigm PeptideAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Purely 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.
Retatrutide
Purely Peptides: grade EPurely 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 Purely Peptides' site.
- TirzepatideAGREAT
- Tests
- 2
- Passed
- 100.0%
- RetatrutideEBAD
- Tests
- 2
- Passed
- 50.0%
What the testing shows
Across 4 measured samples from Purely Peptides, 1 came in more than 5% under the quantity on the label (25%). Another 1 measured more than 5% over. Purity across 4 readings ran from 99.3% to 99.9%, median 99.9%. Samples span Oct 2026 to Oct 2026.
- Under label
- 1/4
- Median purity
- 99.9%
- Latest sample
- Oct 2026
more than 5% short
99.3%–99.9% range
first tested Oct 2026
Our read on Purely Peptides
3 of Purely Peptides' 4 graded samples passed (75%), 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% (1 time).
Why Purely Peptides' failed samples failed
The only failed test, with the lab's reason.
Retatrutide · Oct 1, 2026
purity under 99.5%
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
10/1/2026
Purity
99.9%
Quantity
30 mg → 28 mg
Lab
Krause Analytical
Vial
Black label / Silver crimp / Black cap
Date
10/1/2026
Purity
99.3%
Quantity
30 mg → 28.7 mg
Lab
Krause Analytical
Vial
Black label / Silver crimp / Black cap
Date
10/1/2026
Purity
99.9%
Quantity
60 mg → 60.5 mg
Lab
Krause Analytical
Vial
Black label / Silver crimp / Green cap
Date
10/1/2026
Purity
99.9%
Quantity
60 mg → 63.6 mg
Lab
Krause Analytical
Vial
Black label / Silver crimp / Green cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideBlack label / Silver crimp / Black cap | 10/1/2026 | 10.0 | 99.9% | 30 mg → 28 mg | Krause Analytical | View |
| RetatrutideBlack label / Silver crimp / Black cap | 10/1/2026 | 9.9 | 99.3% | 30 mg → 28.7 mg | Krause Analytical | View |
| TirzepatideBlack label / Silver crimp / Green cap | 10/1/2026 | 10.0 | 99.9% | 60 mg → 60.5 mg | Krause Analytical | View |
| TirzepatideBlack label / Silver crimp / Green cap | 10/1/2026 | 10.0 | 99.9% | 60 mg → 63.6 mg | Krause Analytical | View |
Which Purely Peptides products tested best
Tirzepatide has the strongest record, graded A or B.
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Purely Peptides
If you order from Purely 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 Purely Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is purelypeptides.org. 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 Purely Peptides
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Purely Peptides: common questions
Is Purely Peptides legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 3 of 4 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E. Each result links to its original certificate in the table above.
What do Purely Peptides reviews say?
We don't hold scored customer reviews for Purely Peptides yet. The independent lab results on this page are the evidence we have.
Which Purely Peptides peptides tested best?
We have graded 2 Purely Peptides products. Tirzepatide graded A or B. Retatrutide graded D or E.
Is there a Purely Peptides coupon code?
We don't have a verified Purely Peptides coupon code. A discount changes the price, not what is in the vial.
Ordering from Purely Peptides?
Limited lab record: 4 independent tests, 3 of 4 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E.