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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.
Synthesis Peptides is a U.S.-based research peptide supplier offering third-party testing, batch-specific COAs, ≥98% purity and fast dispatch.
Exclusive Synthesis Peptides offer
10% off with coupon
Before you order
Product catalog
$0.67/mg · seen 1mo ago
View COA
$4.80/mg · seen 1mo ago
View COA
$5.76/mg · seen 1mo ago
View COA
$5.85/mg · seen 1mo ago
View COA
$0.044/mg · seen 1mo ago
View COA
$6.75/mg · seen 1mo ago
View COA
$3.33/mg · seen 1mo ago
View COA
$6.75/mg · seen 1mo ago
View COA
$4.50/mg · seen 1mo ago
View COATested by Not publicly stated
Overview
Synthesis Peptides is a veteran-owned U.S. research peptide supplier founded in 2026, offering batch-tested laboratory materials with COAs and fast domestic shipping. Same-day shipping before 12 PM PST with 1-3 business day priority delivery keeps research timelines on track. They accept Visa, Mastercard, Amex, Discover, and PayPal, providing broad payment flexibility.
Highlights
Researchers choose Synthesis Peptides for their veteran-owned business values, batch testing, and PayPal acceptance, which is uncommon among peptide suppliers. Same-day shipping before noon PST with priority 1-3 day delivery ensures quick turnaround. Their 10% discount with code PEPLOOKUP and wide payment options including PayPal lower both cost and friction for research purchases.
Comparison
Synthesis Peptides offers PayPal acceptance, a payment option many competitors lack, alongside traditional cards. Their veteran-owned status and batch testing reflect a commitment to quality and service. Same-day shipping with a noon PST cutoff is competitive. Compare their per-mg pricing with the PEPLOOKUP discount on peplookup.com to evaluate their value.
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