About Stack
Independently tested. Personally handled.
Stack is a US supplier of research‑grade peptides. We test independently, sell and ship within the United States, and answer every inquiry personally.
What we do
Stack supplies individual peptides and multi‑compound stacks to laboratories, universities, and research organizations in the United States. Every batch is sent to an independent laboratory for identity, purity, and endotoxin analysis before it is released, and the resulting certificate of analysis ships with every order.
We don't run a storefront. Pricing is provided on request, every inquiry is answered by a person who knows the catalog, and every order is confirmed before it ships. It's a slower way to sell — and a better way to supply.
Sold & shipped in the USA
US customers only, shipped within the United States, arranged with you directly.
Tested independently
Identity, purity, and endotoxin analysis by a laboratory we don't own, batch by batch.
Pricing on request
Every quote is written for the buyer asking, with volume and institutional rates available.
Answered by a person
Every pricing request, certificate request, and question is handled by our team, personally.
Compliance first
Research use only. Enforced, not implied.
Stack supplies research chemicals to qualified professionals for in‑vitro laboratory use only, within the United States only. Stack does not sell to consumers or individuals for personal use. Before viewing our catalog, every visitor must confirm that they are 21 years of age or older and that they are a qualified researcher purchasing for lawful research use. Every pricing request restates that attestation, and our team may ask for additional verification before fulfilling an order.
Our products are not for human or animal consumption and are not intended to diagnose, treat, cure, or prevent any disease. Stack is not a pharmacy, a compounding facility under Section 503A of the Federal Food, Drug, and Cosmetic Act, or an outsourcing facility under Section 503B. We reserve the right to decline any inquiry or order, without explanation.
Read the full Research Use Policy.
Plainly
What we don't do.
- We don't publish prices.Every quote is written for the buyer asking.
- We don't sell to individuals.Laboratories, universities, companies, and research institutions only.
- We don't ship outside the United States.US supply, US customers.
- We don't answer dosing or usage questions.Research compounds only, and we mean it.
- We don't self‑certify.An independent laboratory tests every batch before release.
- We don't run a cart.A person confirms every order before it ships.
Ready to build your stack?
Tell us what your work calls for and we'll reply with pricing and availability.