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The best way to buy research-grade peptides.
The Onvay difference. Even more reasons to shop with us.
Subscriptions, coming soon.
Lock in lower per-vial pricing, skip or cancel anytime, and never run dry.
≥99% purity, proven.
Every batch is verified by HPLC and mass spec before it ever ships.
Lab-tested by Janoshik.
Independent third-party reports, published with every product.
Lyophilised powder.
Shipped as dry powder for the highest stability and purity.
Free shipping over £100.
On every UK order, tracked from our bench to your door.
Same-day dispatch.
Order before 3pm and it leaves the same working day.
Quick Links
Best sellers. The vials researchers reach for first.
Not sure what to buy? We'll point you the right way.
Tell us your research area and we'll help you compare compounds, pick a quantity, and decide whether a stack saves you money.
Start with the best sellers, or tell us your research area and we'll point you to the right molecule. We can't advise on dosing, but we can help you compare compounds.
A single vial is one compound. Stacks combine complementary peptides around a shared research area, and work out cheaper than buying each vial separately.
Yes. Our peptides ship as lyophilised powder and are reconstituted before use, so add Bac Water to your order if you don't already have some.
Every batch is third-party tested by Janoshik, and the report is published. Check the lab report linked on each product, or browse them all under Lab Reports.
Soon. Subscriptions will bring lower per-vial pricing and let you skip or cancel anytime. Until then, you can reorder from your account whenever you need.
Stocked, tested, ready to ship.
Every peptide, third-party verified and dispatched from the UK. Start your next batch today.