Flycn Peptide reviews
Flycn Peptide reviews: 17 independent lab tests across 4 products, with a mixed lab record.
Written by Jian Wang, Founder & CEO
Is Flycn Peptide legit? Lab record: Mixed
How we rate- 17 independent tests
- 6 of 16 lots filled to label
- Median purity 99.9%
- 1 of 4 products graded D or E
Some of Flycn Peptide's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Flycn Peptide graded D. Paradigm Peptide's Retatrutide graded A across 8 tests, $10.00 / mg.
Partner · 10% off
Buy from Paradigm PeptideAll better-tested optionsBoren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Flycn Peptide 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
Flycn Peptide: grade DFlycn Peptide 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 Flycn Peptide's site.
- TirzepatideAGREAT
- Tests
- 5
- Passed
- 100.0%
- GHK-CuAGREAT
- Tests
- 3
- Passed
- 100.0%
- TesamorelinCOKAY
- Tests
- 4
- Passed
- 75.0%
- RetatrutideDPOOR
- Tests
- 5
- Passed
- 60.0%
What the testing shows
Across 16 measured samples from Flycn Peptide, 10 came in more than 5% under the quantity on the label (63%). Another 4 measured more than 5% over. Purity across 16 readings ran from 99.6% to 99.9%, median 99.9%. Samples span Mar 2026 to Sep 2026.
- Under label
- 10/16
- Median purity
- 99.9%
- Latest sample
- Sep 2026
more than 5% short
99.6%–99.9% range
first tested Mar 2026
Lab testing results
Independent results across 4 products.
Individual lab tests
Date
9/18/2026
Purity
99.9%
Quantity
10 mg → 6.62 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Black cap
Date
8/28/2026
Purity
99.6%
Quantity
10 mg → 11.8 mg
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
Date
8/25/2026
Purity
99.9%
Quantity
30 mg → 35.6 mg
Lab
BTLabs
Vial
No label / Silver crimp / Orange cap
Date
8/9/2026
Purity
99.8%
Quantity
15 mg → 10.8 mg
Lab
BTLabs
Vial
No label / Silver crimp / Pink cap
Date
8/9/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / Clear Pink cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TesamorelinNo label / Silver crimp / Black cap | 9/18/2026 | 10.0 | 99.9% | 10 mg → 6.62 mg | Krause Analytical | View |
| TesamorelinNo label / Silver crimp / Black cap | 8/28/2026 | 10.0 | 99.6% | 10 mg → 11.8 mg | BTLabs | View |
| TirzepatideNo label / Silver crimp / Orange cap | 8/25/2026 | 10.0 | 99.9% | 30 mg → 35.6 mg | BTLabs | View |
| TirzepatideNo label / Silver crimp / Pink cap | 8/9/2026 | 10.0 | 99.8% | 15 mg → 10.8 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / Clear Pink cap | 8/9/2026 | — | — | BTLabs | View |
Which Flycn Peptide products tested best
Tirzepatide and GHK-Cu have the strongest record, graded A or B.
Tesamorelin graded C.
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Flycn Peptide
If you order from Flycn Peptide, 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 Flycn Peptide's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.flycn-peptide.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
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Flycn Peptide: common questions
Is Flycn Peptide legit?
We rate lab records, not businesses. Mixed lab record: 17 independent tests, 6 of 16 lots filled to label, median purity 99.9%, 1 of 4 products graded D or E. Each result links to its original certificate in the table above.
What do Flycn Peptide reviews say?
We don't hold scored customer reviews for Flycn Peptide yet. The independent lab results on this page are the evidence we have.
Which Flycn Peptide peptides tested best?
We have graded 4 Flycn Peptide products. Tirzepatide and GHK-Cu graded A or B. Retatrutide graded D or E.
Is there a Flycn Peptide coupon code?
We don't have a verified Flycn Peptide coupon code. A discount changes the price, not what is in the vial.
Ordering from Flycn Peptide?
Mixed lab record: 17 independent tests, 6 of 16 lots filled to label, median purity 99.9%, 1 of 4 products graded D or E.
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Flycn Peptide customer reviews
No reviews have been submitted yet for Flycn Peptide.