★ TOP PICK
01
NovaPeptidenovapeptide.co ↗
Our most-recommended source. US-shipped, COA on every batch.
4.9
1,847 reviews
3rd-party testedCOA on every batchShips from USDiscreet packagingCrypto acceptedBulk discounts
Vendors · Reviewed
Where to actually buy.
Eight peptide vendors, in the order we recommend. Our top pick is the one we actually order from — the rest sit behind it.
BACKUP PICK
02
Lotilabslotilabs.com ↗
EU-based, popular with European researchers.
4.7
156 reviews
Ships from EUCOA on requestDiscreet packaging
BACKUP PICK
03
Pegasus Peptidespegasuspeptides.com ↗
International-friendly, niche compounds available.
4.6
204 reviews
3rd-party testedWorldwide shippingCrypto accepted
04
Optimal Peptidesoptimalpeptides.io ↗
Strong customer service, broad GLP-1 selection.
4.5
318 reviews
3rd-party testedShips from USBulk discountsLive support
05
Peptide Sciencespeptidesciences.com ↗
Pharmaceutical-grade reputation, premium pricing.
4.4
692 reviews
99%+ purity3rd-party testedGMP-grade facilityShips from USEducational resources
06
Pure Rawzpurerawz.co ↗
Solid mid-tier, fast US shipping, regular promos.
4.3
876 reviews
3rd-party testedCOA includedShips from USFree shipping $100+Bulk discounts
07
Swisschemsswisschems.is ↗
International shipping, large catalog, responsive support.
4.2
1,124 reviews
3rd-party testedWorldwide shippingDiscreet packagingCrypto acceptedLive support
08
Limitless Lifelimitlesslifenootropics.com ↗
Premium-tier with mass spec on most products.
4.1
288 reviews
Mass spec verified3rd-party testedShips from USFree shipping $200+Bulk discounts