5.0
Very fast service, with the reviewer reporting quick dispatch and a smooth experience from order through to delivery.
Jim Heaton
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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.
Peptide Giants is a U.S. research peptide supplier offering high-purity compounds, HPLC/MS testing, batch COAs and fast domestic fulfillment.
Exclusive Peptide Giants offer
10% off with coupon
Before you order
Product catalog
$2.97/mg · seen 1mo ago
View COA
$5.94/mg · seen 1mo ago
View COA$4.05/mg · seen 1mo ago
View COA$4.95/mg · seen 1mo ago
View COA
$2.70/mg · seen 1mo ago
View COA
$0.054/mg · seen 1mo ago
View COA
$8.10/mg · seen 1mo ago
View COA
$4.50/mg · seen 1mo ago
View COA
$3.96/mg · seen 1mo ago
View COATested by Third-party laboratory
Overview
Peptide Giants is a U.S.-based research peptide supplier founded in 2025. They use a third-party laboratory for batch testing and COA documentation with documented purity levels. Same-day processing is available with shipping taking 2 to 4 business days for total delivery of 3 to 5 days, U.S. only. They accept credit cards, Plaid, Cash App, and Venmo.
Highlights
Researchers choose Peptide Giants for their same-day processing, 10% coupon code peplookup, and flexible payment options including Plaid and Venmo. The Plaid integration provides a direct bank payment option that few competitors offer, and same-day processing keeps delivery times short.
Comparison
Peptide Giants offers Plaid as a payment option, which is uncommon in the peptide supplier market. Same-day processing and a 10% coupon are competitive. They ship U.S. only with 3 to 5 day total delivery. Use the price comparison table above to compare per-mg pricing.
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