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Research Use Only. Products listed are not for human or animal consumption. Statements have not been evaluated by the FDA.View full disclaimers →
Partner spotlight
31 compounds in stock, 114 of their 114 listings backed by a published COA, and 10% off with code PEPLOOKUP. See how their live prices compare with every other supplier on their profile.
31
Compounds in stock
114
Listings tracked
114
Listings with COAs
Partner discount
10% off
The directory
90 listed
BioPeptide Technologies
LA Peptides
Main Peptides
Northline Labs
Peak Lab Peptides
Royal Peptides
Ventra Sciences
ZC LabsPepLookup Community · Hosted on Skool
A free forum for researchers to learn peptide science, interpret certificates of analysis, review published studies and compare verified suppliers.
Main Peptides is a U.S. research peptide supplier offering 99%+ purity, third-party HPLC/MS testing, batch-specific COAs and fast fulfillment.
Exclusive Main Peptides offer
10% off with coupon
Before you order
Product catalog
$7.20/mg · seen 1mo ago
View COA
$2.70/mg · seen 1mo ago
View COA
$0.048/mg · seen 1mo ago
View COA
$0.67/mg · seen 1mo ago
View COA$0.10/mg · seen 1mo ago
View COA$6.00/mg · seen 1mo ago
View COA
$2.25/mg · seen 1mo ago
View COA
$1.53/mg · seen 1mo ago
View COA
$2.25/mg · seen 1mo ago
View COATested by Independent third-party laboratory
Overview
Main Peptides is a U.S.-based research peptide supplier founded in 2026. They use an independent third-party laboratory for batch-specific COA testing with 99%+ purity standards. Typical shipping takes 3 to 5 business days within the U.S. The supplier accepts five payment methods including PayPal and Cash App, and offers a 10% discount with coupon code AdamDan6688.
Highlights
Researchers choose Main Peptides for their 99%+ purity standards, 10% coupon code, and batch-specific COA documents from an independent lab. Their five payment methods including PayPal and Cash App provide flexibility, and their 99%+ purity claim is backed by independent third-party testing.
Comparison
Main Peptides offers PayPal acceptance, which is less common among peptide suppliers. Their 10% coupon and 99%+ purity standards are competitive. Shipping at 3 to 5 business days is average. Use the price comparison table above to compare per-mg pricing.
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Questions