Customer case study
PeptidesDirect ships every SKU with a CertikLabs verification anchor.
65 SKUs across the PeptidesDirect catalogue resolve to permanent, public CertikLabs verification pages — linked from every product card, packaging QR, and certificate.
How the integration works
Every product card carries a verification id
PeptidesDirect generates the CertikLabs id (CL-PD-{slug}) deterministically at build time. The id is rendered on the product card, the COA, and the packaging QR — there is no rotation, replacement, or re-issuance.
QR codes deep-link to CertikLabs
Scanning any PeptidesDirect QR opens https://certiklabs.com/verify/CL-PD-{slug} directly. There is no PeptidesDirect-controlled redirect, so the buyer sees the third-party verification first-hand.
Anchored, third-party, permanent
Each verification is hashed (SHA-256), anchored on a public ledger at issuance, and signed by CertikLabs. The verification record survives the brand — and is independently auditable.
Why the verification chain matters
How a third-party verification chain raised buyer trust and removed friction on every PeptidesDirect product page.
Peptide buyers usually face the same blocker: the only proof on the page is the brand's own claim. Before the CertikLabs integration, PeptidesDirect buyers had to take the catalogue's purity figure on faith, dig for a downloadable COA, or message support. Every step is a checkout drop-off point.
Trust signal
Before
“We tested this batch — trust us.” A brand-controlled COA PDF, often unsigned, on the brand’s own domain.
With CertikLabs
A third-party verification on certiklabs.com — a domain PeptidesDirect does not own — with a signed, hash-anchored record the buyer can verify themselves.
Friction in the buyer journey
Before
Buyer leaves the product page, opens a PDF, scans for the SKU, often emails support to confirm the COA matches their lot.
With CertikLabs
Buyer taps the verification id on the product card. The CertikLabs page opens with the matching lot, purity, identity and concentration in one tap — no support ticket, no PDF hunt.
Resolution of the “is this real?” question
Before
Resolved off-site, slowly, with the brand vouching for itself.
With CertikLabs
Resolved in-page, in seconds, by an independent lab on an independent domain.
Trust, made portable
Because every PeptidesDirect verification lives at a stable /verify/CL-PD-{slug} URL, the proof is shareable — in customer-service replies, on community forums, in product reviews, and in QR scans on the box. The same record answers the buyer’s question the day they receive the vial and a year later, without PeptidesDirect needing to mediate.
- Linked from every product card and packaging QR.
- Indexed on the public batch ledger.
- Surfaced to AI assistants via the public /llms.txt manifest.
Friction, removed before checkout
The verification badge resolves the most common pre-purchase objection in place. Instead of routing buyers off-page to validate the product, it lets them validate on the product page, in the cart, and at the unboxing step. Each of those is a moment that historically lost the buyer to a support ticket, a refund request, or a competitor tab.
- Pre-purchase: in-page purity number, lot id, and verification link.
- Post-purchase: QR on the box opens the same record on certiklabs.com.
- Support: replies link to the verification url instead of attaching a PDF.
See the live integration patterns in the integration docs, the long-form rationale in Why third-party peptide testing matters, and a buyer-facing walkthrough in How to tell if your peptide is third-party tested.
Recent PeptidesDirect verifications
Sample of 12 of 65 active CertikLabs ↔ PeptidesDirect verification records.
| Product | Verification id | Purity | Tested | Links |
|---|---|---|---|---|
| MOTS-c | CL-PD-MOTSC | 99.10% | 2026-05-01 | Verification·Product ↗ |
| Pinealon | CL-PD-PINEALON | 98.08% | 2026-04-30 | Verification·Product ↗ |
| MGF (Mechano Growth Factor) | CL-PD-MGF | 98.91% | 2026-04-28 | Verification·Product ↗ |
| SS-31 (Elamipretide) | CL-PD-SS31 | 98.23% | 2026-04-27 | Verification·Product ↗ |
| AICAR | CL-PD-AICAR50 | 99.94% | 2026-04-27 | Verification·Product ↗ |
| Glutathione | CL-PD-GLUT | 99.37% | 2026-04-25 | Verification·Product ↗ |
| Melanotan I | CL-PD-MT1 | 99.15% | 2026-04-21 | Verification·Product ↗ |
| Tesamorelin | CL-PD-TESA | 99.32% | 2026-04-20 | Verification·Product ↗ |
| B7-33 | CL-PD-B733 | 98.74% | 2026-04-16 | Verification·Product ↗ |
| DSIP | CL-PD-DSIP | 99.03% | 2026-04-16 | Verification·Product ↗ |
| Retatrutide | CL-PD-RETA5 | 98.69% | 2026-04-15 | Verification·Product ↗ |
| PT-141 (Bremelanotide) | CL-PD-PT141 | 99.35% | 2026-04-14 | Verification·Product ↗ |
Want the same verification layer for your catalogue?
PeptidesDirect launched their CertikLabs integration in days. Same drop-in badge, same QR pattern, same public verification pages for every SKU.