Buy 4, Get 1 Free on eligible vialsSubscribe & Save · 10% off every deliveryCertificates of Analysis on requestSame-day dispatch when paid by 12:00 pm PacificOne discount per orderQualified laboratories · Age 21+
For laboratory research use only — not for human or veterinary use
One Source Peptides
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Flat $14.95 contiguous-US shipping under 6 vials. 6+ vials use the bulk freight estimate at checkout.

Apparel

Merch

An OSP line of shirts, hats, and hoodies, marked with the One Source Peptides logo. Every piece is sold out until it is stocked. These are branded goods, separate from the research catalog, and they cannot be ordered.

4 items

Sold out until stocked. Prices below are placeholders. They are not list prices and they will not be charged.

The research catalog is separate and remains for laboratory research use only. Not for human or veterinary use.