About Alto
A peptide supplier with
nothing to hide.
Alto Peptides supplies research-grade peptides to laboratories, research organizations and qualified B2B partners. We exist for one reason: researchers should be able to trust what’s in the vial.
Why we exist
The research peptide market has a trust problem.
Inconsistent purity. Certificates that can’t be traced to a lot. Material relabeled two or three times before it reaches the bench. For anyone running experiments, that uncertainty is expensive — a bad lot doesn’t just waste the vial, it wastes the work built on top of it.
Alto was built to take that uncertainty out of the supply chain. We keep the catalog short, verify every lot independently before it ships, and put the documentation in your hands rather than behind a request form.
We sell to research buyers only. That is a deliberate choice: it lets us focus on the documentation, consistency and account support that laboratories and B2B partners actually need.
How we work
Three principles, applied to every lot
Verify every lot
Every production lot is tested by an independent third-party laboratory. Lots that don’t meet our ≥99% HPLC purity threshold don’t ship — there is no second grade.
Document everything
Every vial carries a lot number that matches its certificate of analysis. COAs ship with every order and can be re-issued at any time for your records.
Supply researchers only
Our products are for in-vitro laboratory research. We review accounts before first order and decline requests that fall outside research use.
Who we serve
Built for repeat research buyers.
Our customers are organizations that order the same compounds again and again and need them to be identical every time.
- Research laboratoriesAcademic and commercial labs running in-vitro studies.
- Contract research organizationsConsistent lots and paperwork that stands up to client audits.
- Universities and institutesStraightforward invoicing and documentation for procurement.
- Qualified distributorsVolume allocation for partners who supply research customers.
Work with us
Open a B2B account.
Order with confidence.
Tell us about your organization and the compounds you work with. We’ll review your application and send pricing.
Apply for B2B access →