Tianjin StarHarbor Technology reviews
Tianjin StarHarbor Technology reviews: 4 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Tianjin StarHarbor Technology legit? Lab record: Limited
How we rate- 4 independent tests
- 1 of 2 lots filled to label
- Median purity 99.8%
- 1 of 1 product graded D or E
Some of Tianjin StarHarbor Technology's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Tianjin StarHarbor Technology 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 Tianjin StarHarbor Technology 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
Tianjin StarHarbor Technology: grade ETianjin StarHarbor Technology 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 Tianjin StarHarbor Technology's site.
- RetatrutideEBAD
- Tests
- 4
- Passed
- 50.0%
What the testing shows
Across 2 measured samples from Tianjin StarHarbor Technology, 1 came in more than 5% under the quantity on the label (50%). Purity across 2 readings ran from 99.7% to 99.9%, median 99.8%. Samples span Jun 2026 to Sep 2026.
- Under label
- 1/2
- Median purity
- 99.8%
- Latest sample
- Sep 2026
more than 5% short
99.7%–99.9% range
first tested Jun 2026
Our read on Tianjin StarHarbor Technology
2 of Tianjin StarHarbor Technology's 4 graded samples passed (50%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was the lab could not confirm it was the labelled peptide (2 times).
When and how Tianjin StarHarbor Technology was tested
Samples per month. The darker part of each bar failed.
- Labs used
- BTLabs (3), Krause Analytical (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 2 distinct batch numbers
Why Tianjin StarHarbor Technology's failed samples failed
The 2 most recent failed tests, with the lab's reason.
Retatrutide · Sep 24, 2026
the lab could not confirm it was the labelled peptide
Retatrutide · Aug 31, 2026
the lab could not confirm it was the labelled peptide
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
9/24/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Clear cap
Date
8/31/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
6/16/2026
Purity
99.7%
Quantity
10 mg → 10.3 mg
Lab
BTLabs
Vial
No label / Gold crimp / Clear cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Silver crimp / Clear cap | 9/24/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / Blue cap | 8/31/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Gold crimp / Clear cap | 6/16/2026 | 10.0 | 99.7% | 10 mg → 10.3 mg | BTLabs | View |
| Retatrutide | 6/12/2026 | 10.0 | 99.9% | 10 mg → 8.18 mg | Krause Analytical | View |
Which Tianjin StarHarbor Technology products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Tianjin StarHarbor Technology
We don't track Tianjin StarHarbor Technology's prices yet. Shipping, payment and refund terms are on their site.
The official store is starharbor.manufacturer.globalsources.com/homepage_6003002411365.htm. 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 Tianjin StarHarbor Technology
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Tianjin StarHarbor Technology: common questions
Is Tianjin StarHarbor Technology legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 1 of 2 lots filled to label, median purity 99.8%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Tianjin StarHarbor Technology reviews say?
We don't hold scored customer reviews for Tianjin StarHarbor Technology yet. The independent lab results on this page are the evidence we have.
Which Tianjin StarHarbor Technology peptides tested best?
We have graded 1 Tianjin StarHarbor Technology product. Retatrutide graded D or E.
Is there a Tianjin StarHarbor Technology coupon code?
We don't have a verified Tianjin StarHarbor Technology coupon code. A discount changes the price, not what is in the vial.
Ordering from Tianjin StarHarbor Technology?
Limited lab record: 4 independent tests, 1 of 2 lots filled to label, median purity 99.8%, 1 of 1 product graded D or E.