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7 classes, 40 products. Peptides are grouped by structure, never by outcome. Each class page explains what its members have in common and lists them with lot-tested certificates.
Analogs in this class are built on the incretin backbone and modified for stability, most often by acylation or by substitution at the positions that would otherwise be cleaved first.
Two structural families sit under this heading.
Melanocortin peptides derive from the alpha-MSH sequence, and the useful structural distinction within the class is linear against cyclic.
Most of this class is very short, two to four residues, which puts it at the low end of the molecular weight range and makes net peptide content a larger share of the question than it is elsewhere.
The broadest class on the site, and the one to read carefully, because membership is defined by what these are not: a single unmodified chain, no metal, no second peptide in the vial, no small-molecule scaffold.
A blend is two or more peptides lyophilized together in one vial.
Every product we stock in one list, filterable by stock and sortable by price.