Marketplace
All vendors
Vendors we have evaluated and recommend. Click any card to browse that vendor's full peptide catalog with our discount applied automatically. We earn a commission on purchases through these links at no extra cost to you.
Atomik Labz
Ships from USATested
Research peptide vendor with broad selection including bioregulators and capsules.
EVERYDAY25 site-wide
Ion Peptide
Ships from USATested
Research peptide vendor with a broad catalog including skin and cosmetic peptides.
EVERYDAY site-wide
Peptira
Ships from USATested
Research peptide vendor with curated selection of injectable peptides.
Solution Peptides
Ships from USATested
Long-standing research peptide vendor with very wide catalog and frequent restocks.
EVERYDAY15 site-wide
Next Gen Peps
Ships from USATested
Research peptide vendor focused on the core injectable lineup with generous affiliate program.
EVERYDAY site-wide
Alpha Peptides
Ships from USATested
Research peptide supplier focused on the core injectable peptide lineup.
EVERYDAY site-wide
BioLongevity Labs
Ships from USATested
US-based research peptide and bioregulator supplier with a broad capsule and injectable lineup.
EVERYDAY site-wide
S1 Research
Ships from USATested
Established US research peptide vendor with consistent stock and standard injectable lineup.
everydaypeptide site-wide
Certified Peptides
Ships from USATested
Research peptide supplier with focus on certification and lab documentation.
RUO
Ships from
Premium research-material supplier with a broad catalog of peptides, bioregulators, and longevity compounds. Account registration is required to view pricing.