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Buy research peptides, tested lot by lot
Every compound below is synthesized to order, verified by an independent US laboratory and listed only after its certificate is published. Filter by category or use the search in the COA library to start from a lot number.
All compounds and supplies
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Research bundles
Which bundles save 10 to 15%?
Bundles ship as separate lot-matched vials so each compound keeps its own certificate.
Save 12%
Neuro set
Semax, Selank and Pinealon — the nootropic trio, each as its own vial so the ratio stays yours.
$167 $190
DetailsSave 12%
Pituitary pulse
A secretagogue and two GHRH analogues, for designs that separate the two receptors on the growth-hormone axis.
$185 $210
DetailsSave 14%
Repair plus
Four vials spanning tissue repair, matrix remodelling and inflammatory signalling.
$194 $225
DetailsSave 14%
Tissue quartet
Repair and growth-axis compounds together, as four separate lot-matched vials.
$228 $265
DetailsSave 12%
Immune set
Two thymic preparations and a mitochondrial-derived peptide for immune-parameter work.
$260 $295
DetailsSave 12%
NAD stack
NAD+ with two mitochondrial compounds — bioenergetics research in one order.
$238 $270
DetailsSave 12%
Metabolic axis
A dual incretin agonist, a GHRH analogue and the hGH C-terminal fragment.
$246 $280
DetailsHow do you choose a research peptide supplier?
Three things separate a supplier you can cite from one you can't: independent testing you can read, a lot number on the vial that matches a published certificate, and a record of shipping what was ordered. Everything in this catalog is built around those three checks. The purity figure on each card is the HPLC-UV result for the current lot, not a catalog claim, and it changes when the lot changes.
What does each category mean?
GLP-1 and metabolic
Incretin-pathway peptides used in metabolic, appetite-signalling and glucose-regulation models. Semaglutide is the GLP-1 reference, tirzepatide adds GIP, retatrutide adds glucagon receptor activity. Choose by which receptor set the question needs; the retatrutide vs tirzepatide and semaglutide vs tirzepatide comparisons lay it out.
Repair and recovery
Peptides studied in tissue-repair, angiogenesis and cell-migration assays. BPC-157 acts through growth-factor and vascular signalling; TB-500 through actin dynamics. They are often paired, and the BPC-157 vs TB-500 page explains when to use one or both.
Growth hormone axis
Secretagogues and GHRH analogues for pituitary-signalling research. Ipamorelin is the selective ghrelin-receptor agonist, Tesamorelin the stabilised GHRH analogue, and the CJC-1295 and Ipamorelin blend models pulsatile release.
Peptide blends
Two compounds co-lyophilized in one vial at a fixed ratio, with a certificate reporting each component. Blends remove preparation variance; bundles of single vials keep the ratio adjustable.
Longevity and skin
GHK-Cu for collagen and wound-remodelling work, NAD+ for sirtuin and mitochondrial research, MOTS-c for mitochondrial signalling and AMPK. Each has its own research guide.
Nootropics and neuro
Peptides studied for cognitive, mood and neuroprotective endpoints: Semax and Selank are the most-studied pair — both short sequences extended with a proline-glycine-proline tail for stability, but from unrelated parent peptides. P-21 and PE-22-28 appear in neurogenesis and ion-channel work respectively, and DSIP in sleep architecture, where its receptor remains unidentified. The literature here is thinner than in the metabolic categories; cite primary sources.
Bioregulators
Short peptide bioregulators from the Khavinson series — Epithalon, Pinealon, Vilon, Vesugen and the tissue preparations — studied for tissue-specific gene expression in ageing models. Most are two to four residues, and the series turns on exactly those small differences. Much of the published work originates with one research group, so look for independent replication before drawing conclusions.
All products are for in-vitro laboratory research only and are not for human or animal use.
