Hangzhou Youngpeptide Biotechnology Hyb Lab Results
Hangzhou Youngpeptide Biotechnology Hyb Lab Results: 27 independent lab tests across 4 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is Hangzhou Youngpeptide Biotechnology HYB legit? Lab record: Mixed
How we rate- 27 independent tests
- 20 of 24 lots filled to label
- Median purity 99.83%
- 3 of 4 products graded D or E
Some of Hangzhou Youngpeptide Biotechnology HYB's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Hangzhou Youngpeptide Biotechnology HYB 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 Hangzhou Youngpeptide Biotechnology HYB 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
Hangzhou Youngpeptide Biotechnology HYB: grade ETirzepatide
Hangzhou Youngpeptide Biotechnology HYB: grade DBPC-157
Hangzhou Youngpeptide Biotechnology HYB: grade DHangzhou Youngpeptide Biotechnology HYB 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 Hangzhou Youngpeptide Biotechnology HYB's site.
- GHK-CuAGREAT
- Tests
- 4
- Passed
- 100.0%
- TirzepatideDPOOR
- Tests
- 9
- Passed
- 66.7%
- BPC-157DPOOR
- Tests
- 3
- Passed
- 66.7%
- RetatrutideEBAD
- Tests
- 11
- Passed
- 54.5%
What the testing shows
Across 24 measured samples from Hangzhou Youngpeptide Biotechnology HYB, 4 came in more than 5% under the quantity on the label (17%). Another 7 measured more than 5% over. Purity across 24 readings ran from 98.19% to 99.95%, median 99.83%. Samples span Jun 2025 to Sep 2026.
- Under label
- 4/24
- Median purity
- 99.83%
- Latest sample
- Sep 2026
more than 5% short
98.19%–99.95% range
first tested Jun 2025
Our read on Hangzhou Youngpeptide Biotechnology HYB
18 of Hangzhou Youngpeptide Biotechnology HYB's 27 graded samples passed (67%), and 100% of all samples were sent in by buyers rather than by the shop.
Results are improving: 75% passed over the latest six months, up from 65% before.
When a sample failed, the most common reason was purity under 99.5% (5 times).
3 samples failed identity, meaning the lab could not confirm the vial held the labelled peptide.
Against the 302 shops with at least five graded tests, Hangzhou Youngpeptide Biotechnology HYB's pass rate is at or above 38% of them, and it has more tests on record than 61% of them.
When and how Hangzhou Youngpeptide Biotechnology HYB was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (16), BTLabs (9), Harrens Lab (1), Janoshik (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 5 distinct batch numbers; 1 checked for endotoxins
Why Hangzhou Youngpeptide Biotechnology HYB's failed samples failed
The 6 most recent failed tests, with the lab's reason.
Retatrutide · Jul 20, 2026
the lab could not confirm it was the labelled peptide
Tirzepatide · Dec 29, 2025
the lab could not confirm it was the labelled peptide
Retatrutide · Dec 13, 2025
amount in the vial more than 35% off the label
Retatrutide · Dec 13, 2025
purity under 99.5%
Retatrutide · Dec 10, 2025
the lab could not confirm it was the labelled peptide
BPC-157 · Nov 25, 2025
purity under 99.5%
Lab testing results
Independent results across 4 products.
Individual lab tests
Date
9/30/2026
Purity
99.9%
Quantity
15 mg → 14.99 mg
Lab
Harrens Lab
Vial
No label / Silver crimp / Green cap
Date
8/12/2026
Purity
99.9%
Quantity
30 mg → 30.1 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Gray cap
Date
7/20/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
4/28/2026
Purity
99.9%
Quantity
50 mg → 49.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Yellow Cap
Date
3/6/2026
Purity
99.9%
Quantity
30 mg → 27.1 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Clear Yellow Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Silver crimp / Green cap | 9/30/2026 | 10.0 | 99.9% | 15 mg → 14.99 mg | Harrens Lab | View |
| TirzepatideNo label / Silver crimp / Gray cap | 8/12/2026 | 10.0 | 99.9% | 30 mg → 30.1 mg | Krause Analytical | View |
| RetatrutideNo label / Silver crimp / Blue cap | 7/20/2026 | — | — | BTLabs | View | |
| RetatrutideNo Label / Silver Crimp / Clear Yellow Cap | 4/28/2026 | 10.0 | 99.9% | 50 mg → 49.9 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Clear Yellow Cap | 3/6/2026 | 10.0 | 99.9% | 30 mg → 27.1 mg | Krause Analytical | View |
Which Hangzhou Youngpeptide Biotechnology HYB products tested best
GHK-Cu has the strongest record, graded A or B.
Tirzepatide, BPC-157 and Retatrutide graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Hangzhou Youngpeptide Biotechnology HYB
If you order from Hangzhou Youngpeptide Biotechnology HYB, 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 Hangzhou Youngpeptide Biotechnology HYB's prices yet. Shipping, payment and refund terms are on their site.
The official store is chat.peppys.org/c/vendor-posts/8. 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 Hangzhou Youngpeptide Biotechnology HYB
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Hangzhou Youngpeptide Biotechnology HYB: common questions
Is Hangzhou Youngpeptide Biotechnology HYB legit?
We rate lab records, not businesses. Mixed lab record: 27 independent tests, 20 of 24 lots filled to label, median purity 99.83%, 3 of 4 products graded D or E. Each result links to its original certificate in the table above.
What do Hangzhou Youngpeptide Biotechnology HYB reviews say?
We don't hold scored customer reviews for Hangzhou Youngpeptide Biotechnology HYB yet. The independent lab results on this page are the evidence we have.
Which Hangzhou Youngpeptide Biotechnology HYB peptides tested best?
We have graded 4 Hangzhou Youngpeptide Biotechnology HYB products. GHK-Cu graded A or B. Tirzepatide, BPC-157 and Retatrutide graded D or E.
Is there a Hangzhou Youngpeptide Biotechnology HYB coupon code?
We don't have a verified Hangzhou Youngpeptide Biotechnology HYB coupon code. A discount changes the price, not what is in the vial.
Ordering from Hangzhou Youngpeptide Biotechnology HYB?
Mixed lab record: 27 independent tests, 20 of 24 lots filled to label, median purity 99.83%, 3 of 4 products graded D or E.