Cyco peptide Bio CPB reviews
Cyco peptide Bio CPB reviews: 9 independent lab tests across 2 products, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Cyco peptide Bio CPB legit? Lab record: Limited
How we rate- 9 independent tests
- 7 of 8 lots filled to label
- Median purity 99.8%
- 1 of 2 products graded D or E
Some of Cyco peptide Bio CPB's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Cyco peptide Bio CPB 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 Cyco peptide Bio CPB 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
Cyco peptide Bio CPB: grade ECyco peptide Bio CPB 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 Cyco peptide Bio CPB's site.
- TirzepatideAGREAT
- Tests
- 3
- Passed
- 100.0%
- RetatrutideEBAD
- Tests
- 6
- Passed
- 50.0%
What the testing shows
Across 8 measured samples from Cyco peptide Bio CPB, 1 came in more than 5% under the quantity on the label (13%). Another 4 measured more than 5% over. Purity across 9 readings ran from 98.5% to 99.88%, median 99.8%. Samples span Dec 2025 to Feb 2026.
- Under label
- 1/8
- Median purity
- 99.8%
- Latest sample
- Feb 2026
- Ships from
- China
more than 5% short
98.5%–99.88% range
first tested Dec 2025
per vendor listing
Our read on Cyco peptide Bio CPB
6 of Cyco peptide Bio CPB's 9 graded samples passed (67%), 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% (2 times).
Against the 302 shops with at least five graded tests, Cyco peptide Bio CPB's pass rate is at or above 36% of them, and it has more tests on record than 27% of them.
When and how Cyco peptide Bio CPB was tested
Samples per month. The darker part of each bar failed.
- Labs used
- BTLabs (8), Krause Analytical (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 1 distinct batch numbers
Why Cyco peptide Bio CPB's failed samples failed
The 3 most recent failed tests, with the lab's reason.
Retatrutide · Jan 26, 2026
amount in the vial more than 35% off the label
Retatrutide · Jan 26, 2026
purity under 99.5%
Retatrutide · Dec 2, 2025
purity under 99.5%; amount in the vial more than 35% off the label
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
2/15/2026
Purity
99.8%
Quantity
20 mg → 22 mg
Lab
BTLabs
Vial
Silver Label / Copper Crimp / Clear Cap
Date
2/15/2026
Purity
99.8%
Quantity
20 mg → 22 mg
Lab
BTLabs
Vial
Silver Label / Silver Crimp / Blue Cap
Date
2/15/2026
Purity
99.8%
Quantity
30 mg → 30.6 mg
Lab
BTLabs
Vial
Silver Label / Silver Crimp / White Cap
Date
2/15/2026
Purity
99.8%
Quantity
30 mg → 29 mg
Lab
BTLabs
Vial
Silver Label / Silver Crimp / Clear Cap
Date
1/26/2026
Purity
98.5%
Quantity
15 mg → 15.3 mg
Lab
BTLabs
Vial
Silver Label / Silver Crimp / Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideSilver Label / Copper Crimp / Clear Cap | 2/15/2026 | 10.0 | 99.8% | 20 mg → 22 mg | BTLabs | View |
| TirzepatideSilver Label / Silver Crimp / Blue Cap | 2/15/2026 | 10.0 | 99.8% | 20 mg → 22 mg | BTLabs | View |
| TirzepatideSilver Label / Silver Crimp / White Cap | 2/15/2026 | 10.0 | 99.8% | 30 mg → 30.6 mg | BTLabs | View |
| RetatrutideSilver Label / Silver Crimp / Clear Cap | 2/15/2026 | 10.0 | 99.8% | 30 mg → 29 mg | BTLabs | View |
| RetatrutideSilver Label / Silver Crimp / Blue Cap | 1/26/2026 | 9.8 | 98.5% | 15 mg → 15.3 mg | BTLabs | View |
Which Cyco peptide Bio CPB 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 Cyco peptide Bio CPB
If you order from Cyco peptide Bio CPB, 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 Cyco peptide Bio CPB's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.cycopeptidebio.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 Cyco peptide Bio CPB
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Cyco peptide Bio CPB: common questions
Is Cyco peptide Bio CPB legit?
We rate lab records, not businesses. Limited lab record: 9 independent tests, 7 of 8 lots filled to label, median purity 99.8%, 1 of 2 products graded D or E. Each result links to its original certificate in the table above.
What do Cyco peptide Bio CPB reviews say?
We don't hold scored customer reviews for Cyco peptide Bio CPB yet. The independent lab results on this page are the evidence we have.
Which Cyco peptide Bio CPB peptides tested best?
We have graded 2 Cyco peptide Bio CPB products. Tirzepatide graded A or B. Retatrutide graded D or E.
Is there a Cyco peptide Bio CPB coupon code?
We don't have a verified Cyco peptide Bio CPB coupon code. A discount changes the price, not what is in the vial.
Where does Cyco peptide Bio CPB ship from?
Public listings place Cyco peptide Bio CPB's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Cyco peptide Bio CPB?
Limited lab record: 9 independent tests, 7 of 8 lots filled to label, median purity 99.8%, 1 of 2 products graded D or E.