Yvonne Peptides reviews
Yvonne Peptides reviews: 4 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Yvonne Peptides legit? Lab record: Limited
How we rate- 4 independent tests
- 4 of 4 lots filled to label
- Median purity 99.69%
- Its tested product graded C or better
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Vendor website
Visit Yvonne Peptides
4 independent COAs · not paid-to-rank · 0 of 4 lots under label
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Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Yvonne 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 Yvonne Peptides' site.
- RetatrutideCOKAY
- Tests
- 4
- Passed
- 75.0%
What the testing shows
Across 4 measured samples from Yvonne Peptides, 0 came in more than 5% under the quantity on the label (0%). Another 3 measured more than 5% over. Purity across 4 readings ran from 99.33% to 99.9%, median 99.69%. Samples span Jan 2026 to Sep 2026.
- Under label
- 0/4
- Median purity
- 99.69%
- Latest sample
- Sep 2026
- Ships from
- China
more than 5% short
99.33%–99.9% range
first tested Jan 2026
per vendor listing
Our read on Yvonne Peptides
3 of Yvonne Peptides' 4 graded samples passed (75%), and 100% 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).
When and how Yvonne Peptides was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (3), Harrens Lab (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 3 distinct batch numbers
Why Yvonne Peptides' failed samples failed
The only failed test, with the lab's reason.
Retatrutide · Jan 15, 2026
purity under 99.5%
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
9/24/2026
Purity
99.9%
Quantity
15 mg → 14.99 mg
Lab
Harrens Lab
Vial
White label / Silver crimp / Clear Pink cap
Date
2/18/2026
Purity
99.85%
Quantity
15 mg → 18 mg
Lab
Krause Analytical
Vial
No Label / Copper Crimp / Clear Cap
Date
1/15/2026
Purity
99.33%
Quantity
10 mg → 11.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Blue Cap
Date
1/7/2026
Purity
99.53%
Quantity
5 mg → 5.44 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideWhite label / Silver crimp / Clear Pink cap | 9/24/2026 | 10.0 | 99.9% | 15 mg → 14.99 mg | Harrens Lab | View |
| RetatrutideNo Label / Copper Crimp / Clear Cap | 2/18/2026 | 10.0 | 99.85% | 15 mg → 18 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Blue Cap | 1/15/2026 | 9.9 | 99.33% | 10 mg → 11.4 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Blue Cap | 1/7/2026 | 10.0 | 99.53% | 5 mg → 5.44 mg | Krause Analytical | View |
Which Yvonne Peptides products tested best
Retatrutide graded C.
Buying from Yvonne Peptides
We don't track Yvonne Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is chat.whatsapp.com/JeM9dqRH8nK8mpT1ISekrd?mode=wwc https://t.me/+dtAcADLNHOFjZDY1. 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 Yvonne Peptides
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Yvonne Peptides: common questions
Is Yvonne Peptides legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 4 of 4 lots filled to label, median purity 99.69%, its tested product graded C or better. Each result links to its original certificate in the table above.
What do Yvonne Peptides reviews say?
We don't hold scored customer reviews for Yvonne Peptides yet. The independent lab results on this page are the evidence we have.
Which Yvonne Peptides peptides tested best?
We have graded 1 Yvonne Peptides product.
Is there a Yvonne Peptides coupon code?
We don't have a verified Yvonne Peptides coupon code. A discount changes the price, not what is in the vial.
Where does Yvonne Peptides ship from?
Public listings place Yvonne Peptides's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Yvonne Peptides?
Limited lab record: 4 independent tests, 4 of 4 lots filled to label, median purity 99.69%, its tested product graded C or better.
About Yvonne Peptides
Whatsapp +1 (240) 459-2029