Independent side-by-side comparison of Scantifix and Zztai Peptide — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Zztai Peptide holds the stronger independent lab grade (ungraded vs C); Zztai Peptide has more published third-party tests (18 vs 0); Scantifix carries more community reviews (285).
Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.
Scantifix has no independent Janoshik assays on file. Zztai Peptide: 18 independent Janoshik assays, across 17 substances, median measured purity 99.5%, most recent 2025-12-19.
| Attribute | Scantifix | Zztai Peptide |
|---|---|---|
| Independent lab grade | Not graded | C |
| Third-party tests | None published | 18 tests, avg purity 99.3% |
| Community rating | 4.1/5 (285 reviews) | No reviews |
| COA available | Yes | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Year established | 2020 | Unknown |
| Substance | Scantifix | Zztai Peptide |
|---|---|---|
| Retatrutide 20mg | Not tested | 99.55% (2 assays, latest 2025-12-18) |
| DSIP 5mg | Not tested | 99.01% (1 assay, latest 2025-12-19) |
| Tirzepatide 60mg | Not tested | 99.95% (1 assay, latest 2025-12-18) |
| HGH 191AA (somatropin) 151U | Not tested | 97.83% (1 assay, latest 2025-12-18) |
| Mots-c 10mg | Not tested | 99.10% (1 assay, latest 2025-10-21) |
| Retatrutide 30mg | Not tested | 99.62% (1 assay, latest 2025-10-21) |
| Retatrutide 5mg | Not tested | 99.24% (1 assay, latest 2025-10-21) |
| Retatrutide 15mg | Not tested | 99.41% (1 assay, latest 2025-10-21) |
| Retatrutide 50mg | Not tested | 99.69% (1 assay, latest 2025-10-21) |
| HGH 191AA(Somatropin 10IU | Not tested | 97.50% (1 assay, latest 2025-10-20) |
| GLOW 70mg | Not tested | purity not reported (1 assay, latest 2025-10-16) |
| Semax 10mg | Not tested | 99.40% (1 assay, latest 2025-07-04) |
| Checked | Scantifix | Zztai Peptide |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 33 | 62 |
| Public pricing | Listed on the site | Listed on the site |
| Payment methods | Cryptocurrency, Credit Card | Credit Card, PayPal |
| Ships to | United States, United Kingdom, Europe, Canada, Australia, Worldwide | United States, United Kingdom, Canada, Australia, New Zealand |
| Carriers | FedEx, USPS | DHL, FedEx, UPS, USPS |
| Stated origin | United States | Hong Kong |
Zztai Peptide. Scantifix has no independent Janoshik assays on file. Zztai Peptide: 18 independent Janoshik assays, across 17 substances, median measured purity 99.5%, most recent 2025-12-19. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Scantifix's site, and we found no certificates of analysis anywhere on Zztai Peptide's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Scantifix states it ships to United States, United Kingdom, Europe, Canada, Australia, Worldwide, and Zztai Peptide states it ships to United States, United Kingdom, Canada, Australia, New Zealand. Both are read from the vendors' own sites.
Full profiles: Scantifix, Zztai Peptide.
Full lab-test records: All 18 Zztai Peptide lab tests.
Related comparisons: Zztai Peptide vs Certified Peptides, Zztai Peptide vs HK Peptides, Zztai Peptide vs Qingfuji Trading.