Texas-based independent research supply
COA-backed compounds. Responsive service. Strictly for research.
Grateful Peptides is a Texas-based independent research-supply brand built on clear product information, responsive communication, and efficient order fulfillment. Every published listing displays its applicable COA and SDS. Flat-rate US shipping, free over $300.
- Flat-rate shipping $20.00 · Free shipping on orders of $300.00 or more
- Not for human consumption
- Third-party tested — independent lab COA for every lot
- Lot-specific COAs — view documentation before you buy
- Real human support — a person answers
Responsive, person-to-person service
Most researchers find us through a colleague — this brand has grown by word of mouth. That reputation rides on responsive communication and efficient order fulfillment, so the operation is built around both. Ask a question, get an answer from a person.
COA-backed, spec-complete listings
Every published listing displays its applicable COA and SDS alongside a full specification. Open the documents, check the lot, then order.
Simple, flat shipping
One flat rate — $20 anywhere in the US — and shipping is free on orders over $300. Efficient order fulfillment from a Texas-based operation.
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Apply
A short application: who you are, your organization or affiliation, and your intended research use.
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Approval
Approved accounts unlock the full catalog: specifications, per-lot COA and SDS, and checkout.
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Order
Straightforward ordering, responsive communication, and efficient fulfillment. Flat-rate US shipping — free over $300.
Transparency in every lot.
Grateful Peptides is built around clear product information and applicable lot documentation. Every published listing carries a complete record, and the documents that back it are one click away.
Full specification
CAS number, molecular formula and weight, purity with its method, appearance, and storage conditions on every published listing.
COA per lot
The applicable certificate of analysis is displayed with its product and served exactly as the issuing lab produced it.
SDS on file
A safety data sheet is on record for every published product.
Served as issued
COAs and SDS are presented exactly as the issuing lab produced them — never edited, condensed, or regenerated.
- Flat-rate shipping $20.00
- Free shipping on orders of $300.00 or more
- Secure, tracked shipping
- Satisfaction guaranteed — see our refund policy