Free shipping over $200
Xpresspost 1–2 business days
Orders before 4PM ET ship same day
≥98% purity — third-party tested
independently tested · Testides Lab
Proudly Canadian
Free shipping over $200
Xpresspost 1–2 business days
Orders before 4PM ET ship same day
≥98% purity — third-party tested
independently tested · Testides Lab
Proudly Canadian
GREYGEM was built for one type of person. The researcher who notices.
// Why GREYGEM Exists
Precision is the only thing that matters.
GREYGEM exists because precision matters. Not the kind of precision that reads well in marketing copy — the kind that gets caught in independent testing. The kind that shows up in molecular weight verification. The kind a researcher notices when they reconstitute a vial and the powder dissolves cleanly.
Every detail of this brand was designed for a single type of person: the researcher who notices. The one who reads the COA before the description. The one who cross-checks the molecular weight. The one who already knows what ≥98% purity should look like on a chromatogram.
If that's not you, this brand isn't for you. And that's fine.
We don't ask anyone to trust our word. We publish what the lab found.
// The Standard
No shortcuts. No compromises.
We don't trust supplier claims. We don't test our own products in-house. Our compounds are independently tested by a Canadian third-party laboratory, and the result is published — so you can read it before you buy.
The lab has no commercial interest in our results. They have one job: measure what's actually in the vial. We publish what they find — exactly as they find it. Independently tested. COA published.
This is more expensive. It takes longer. It costs us margin. We do it anyway — because the alternative is asking you to trust our word.
// What Sets Us Apart
Built differently. On purpose.
01
Source Control
We source raw peptide material ourselves and oversee every step of packaging. No turnkey suppliers. No white-label shortcuts.
02
Independent Verification
Compounds are independently retested by a Canadian third-party laboratory. The published COA is ours — not the supplier's.
03
Published Transparency
Every Certificate of Analysis is published to our COA Library on release — searchable and downloadable, no paywalls.
04
Canadian Standard
Researched, packaged, tested, and shipped from Canada. Same-day dispatch via Xpresspost. Discreet plain packaging.
// Begin
Refined for those who notice.
Explore the catalog. Verify the standard. Decide for yourself.