ISO 17025 accredited.
Janoshik Analytical tests every lot independently. ISO 17025 is the standard required for analytical results to be considered technically competent, held by the lab, verified by an external accreditation body.
Founded 2024
Verified, not promised.
Specification over sensation.
Zerovial supplies research reference materials in a sealed, pre-filled, multi-application format. Every batch is independently tested for identity and purity by an ISO 17025 laboratory, with the certificate published before it ships and free cold-chain dispatch worldwide. The film above tells the whole story in two minutes.
99.5%Avg HPLC purity·ISO 17025Accredited lab·2COAs per lot
Verification
Independently tested. Every lot.
Zerovial publishes only what an independent body has measured. Every lot is third-party tested for identity and purity by an ISO 17025 laboratory, and the certificate of analysis is published before it ships.
The testing laboratory
Published before it ships
ISO 17025 accredited.
Janoshik Analytical tests every lot independently. ISO 17025 is the standard required for analytical results to be considered technically competent, held by the lab, verified by an external accreditation body.
Certificate of analysis. Every lot.
Per-lot documents linked from the product page, with numeric results and the lot identifier. The COA library is the canonical record.
Identity and purity. Measured.
Identity and purity are measured analytically for each lot, with numeric results on the certificate, not self-declared.
Why we are different
What you get from us. Versus the rest.
Four hard differences, side by side with the typical online vendor. Swipe the table to read every row.
| ZerovialUK distributor · sealed pens | Typical online vendorVial of powder · in-house testing | |
|---|---|---|
| Manufacturing | Produced by a contract manufacturer under documented controls; every lot independently verified before it ships. | Standards unspecified. Often "GMP-equivalent" with no audit reference. |
| Lot certification | Independent third-party HPLC and pH. Published before each lot opens for orders. | In-house COA from the seller's own lab. Same chain of custody throughout. |
| Shipping | Free worldwide cold-chain via DHL Express or FedEx. Dispatched next business day. | Paid by the buyer. No temperature control, no consistent tracking. |
| If something goes wrong | Same-day replacement or full refund. Your choice. | Case-by-case. Often nothing. |
If anything goes wrong
We make it right. Same day.
Three failure modes, three resolutions. All settled on WhatsApp in one business day. You pick the resolution that suits you, not us.
01
Same-day replacement
Photo on WhatsApp. Replacement ships the same business day.
02
Full refund instead
Full refund to your original method in 5 to 7 business days.
03
Money back on failed COA
If a re-test ever fails, every order on the lot is refunded.
Read the COAs first. Then browse the catalogue. Both routes land on the same pen.
Privacy & policies
Everything in writing. One place.
Privacy, terms, refunds, shipping, and the research disclaimer. All linked here. Nothing buried.