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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
PepLookup Community · Hosted on Skool
A free forum for researchers to learn peptide science, interpret certificates of analysis, review published studies and compare verified suppliers.
MsAmino is a U.S. research peptide supplier offering 99%+ purity, third-party HPLC/MS testing, batch-specific COAs and same-day shipping.
Exclusive MsAmino offer
20% off with coupon
Before you order
Product catalog

$4.00/mg · seen 1mo ago
View COA
$0.10/mg · seen 1mo ago
View COA
$3.28/mg · seen 1mo ago

$0.56/mg · seen 1mo ago
View COA
$3.04/mg · seen 1mo ago

$4.80/mg · seen 1mo ago
View COA
$2.93/mg · seen 1mo ago
View COA
$6.00/mg · seen 1mo ago

$7.04/mg · seen 1mo ago
View COATested by Horizon Analytical
Overview
MsAmino is a U.S.-based research peptide supplier founded in 2026. They use Horizon Analytical for third-party COA testing, including HPLC and mass-spectrometry verification. Same-day processing is available before 2 PM ET with delivery taking 2 to 5 business days. They accept Visa, Mastercard, and Google Pay, and offer a 20% discount with coupon code W9QVLNLY.
Highlights
Researchers choose MsAmino for their 20% coupon code W9QVLNLY, Horizon Analytical COA testing, and same-day processing. The 20% discount is among the highest available from any peptide supplier, and the named Horizon Analytical testing lab provides a specific, verifiable quality reference.
Comparison
MsAmino offers one of the highest coupon discounts in the market at 20%, tied with Amino Science for the largest available. Their named Horizon Analytical testing lab is more specific than generic third-party references. Payment options are limited to three methods. Use the price comparison table above to compare per-mg pricing.
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