Liyu Daily reviews
Liyu Daily reviews: 9 independent lab tests across 2 products, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Liyu Daily legit? Lab record: Limited
How we rate- 9 independent tests
- 4 of 9 lots filled to label
- Median purity 99.9%
- 1 of 2 products graded D or E
Some of Liyu Daily's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Liyu Daily graded D. 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 Liyu Daily 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
Liyu Daily: grade DLiyu Daily 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 Liyu Daily's site.
- TirzepatideAGREAT
- Tests
- 3
- Passed
- 100.0%
- RetatrutideDPOOR
- Tests
- 6
- Passed
- 66.7%
What the testing shows
Across 9 measured samples from Liyu Daily, 5 came in more than 5% under the quantity on the label (56%). Another 1 measured more than 5% over. Purity across 9 readings ran from 95.59% to 99.99%, median 99.9%. Samples span Jun 2026 to Sep 2026.
- Under label
- 5/9
- Median purity
- 99.9%
- Latest sample
- Sep 2026
more than 5% short
95.59%–99.99% range
first tested Jun 2026
Our read on Liyu Daily
7 of Liyu Daily's 9 graded samples passed (78%), 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).
Against the 302 shops with at least five graded tests, Liyu Daily's pass rate is at or above 65% of them, and it has more tests on record than 27% of them.
When and how Liyu Daily was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (4), Harrens Lab (2), PharmLabs (2), Ichor Life Sciences (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 9 distinct batch numbers
Why Liyu Daily's failed samples failed
The 2 most recent failed tests, with the lab's reason.
Retatrutide · Sep 16, 2026
purity under 99.5%
Retatrutide · Jun 24, 2026
amount in the vial more than 35% off the label
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
9/24/2026
Purity
99.9%
Quantity
20 mg → 19.99 mg
Lab
Harrens Lab
Vial
No label / Silver crimp / Red cap
Date
9/24/2026
Purity
99.9%
Quantity
10 mg → 9.99 mg
Lab
Harrens Lab
Vial
No label / Silver crimp / Green cap
Date
9/18/2026
Purity
99.99%
Quantity
40 mg → 36.53 mg
Lab
PharmLabs
Vial
No label / Silver crimp / Yellow cap
Date
9/18/2026
Purity
99.99%
Quantity
60 mg → 52.28 mg
Lab
PharmLabs
Vial
No label / Silver crimp / Orange cap
Date
9/16/2026
Purity
95.59%
Quantity
10 mg → 11.9671 mg
Lab
Ichor Life Sciences
Vial
No label / Silver crimp / Yellow cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideNo label / Silver crimp / Red cap | 9/24/2026 | 10.0 | 99.9% | 20 mg → 19.99 mg | Harrens Lab | View |
| RetatrutideNo label / Silver crimp / Green cap | 9/24/2026 | 10.0 | 99.9% | 10 mg → 9.99 mg | Harrens Lab | View |
| TirzepatideNo label / Silver crimp / Yellow cap | 9/18/2026 | 10.0 | 99.99% | 40 mg → 36.53 mg | PharmLabs | View |
| RetatrutideNo label / Silver crimp / Orange cap | 9/18/2026 | 10.0 | 99.99% | 60 mg → 52.28 mg | PharmLabs | View |
| RetatrutideNo label / Silver crimp / Yellow cap | 9/16/2026 | 9.6 | 95.59% | 10 mg → 11.9671 mg | Ichor Life Sciences | View |
Which Liyu Daily 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 Liyu Daily
If you order from Liyu Daily, 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 Liyu Daily's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.liyudaily.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 Liyu Daily
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Liyu Daily: common questions
Is Liyu Daily legit?
We rate lab records, not businesses. Limited lab record: 9 independent tests, 4 of 9 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 Liyu Daily reviews say?
We don't hold scored customer reviews for Liyu Daily yet. The independent lab results on this page are the evidence we have.
Which Liyu Daily peptides tested best?
We have graded 2 Liyu Daily products. Tirzepatide graded A or B. Retatrutide graded D or E.
Is there a Liyu Daily coupon code?
We don't have a verified Liyu Daily coupon code. A discount changes the price, not what is in the vial.
Ordering from Liyu Daily?
Limited lab record: 9 independent tests, 4 of 9 lots filled to label, median purity 99.9%, 1 of 2 products graded D or E.