Great product quality according to the reviewer, who reported a positive experience with the order and the service.
Rooni S.
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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.
HEEZ Research is a U.S. research peptide supplier offering 99%+ purity, accredited third-party HPLC/MS testing, batch COAs and fast shipping.
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Customer reviews
Great product quality according to the reviewer, who reported a positive experience with the order and the service.
Rooni S.
The reviewer was required to pay for two-day shipping and reported problems with the order afterwards, leaving them dissatisfied.
Rosy Bloom
The reviewer ordered the wrong item by accident and reported difficulty resolving the issue with the company afterwards.
Scott
Among the best and most affordable options available, according to the reviewer, who was pleased with quality and value.
Jeff
The website is easy to navigate, which made ordering simple, and the reviewer reported a positive overall experience.
Amarah Hindi
Reviews are summarised from Trustpilot and linked to their source. They are not verified or edited by the site, and they describe customer experience, not product testing.
View all reviews on TrustpilotProduct catalog

$4.68/mg · seen 1mo ago

$4.68/mg · seen 1mo ago
View COA
$5.61/mg · seen 1mo ago
View COA
$6.80/mg · seen 1mo ago

$5.95/mg · seen 1mo ago
View COA
$1.54/mg · seen 1mo ago

$1.52/mg · seen 1mo ago

$1.96/mg · seen 1mo ago

$5.53/mg · seen 1mo ago
Questions