Research Vendor Directory
Only the most reputable vendors with third-party COA verification
?? For research purposes only. All vendors listed sell for research use, not human consumption. PeptiDex may receive a commission from affiliate links at no cost to you.
Amino Club
Editor's PickPremium vendor with 99%+ purity guaranteed on every product. COA included with every batch. 60-day money-back guarantee and free shipment protection. Active research community on Discord. One of the most competitive prices in the market.
Limitless Life Nootropics
Editor's PickOne of the most respected vendors in the research peptide space. Every batch is independently tested by Janoshik Analytical. Full HPLC and mass spec COAs are publicly linked on each product page.
Core Peptides
US-based vendor with fast domestic shipping. All products independently tested by Janoshik. Popular in longevity and healing protocol circles for their consistent purity and reliable stock levels.
Amino Asylum
Best SelectionLong-standing research vendor with a large product catalog. Competitive pricing with published batch testing. Good option for combination orders of multiple peptides.
Swiss Chems
Best for InternationalBest option for international buyers ships to the EU and UK where options are limited. Batch-specific COAs available. Strong reputation for nootropic peptides like Semax and Selank.