Testing & Quality
What Does Lyophilized Mean? Freeze-Drying Peptides Explained
What does lyophilized mean? Freeze-drying explained: how lyophilization works, why research peptides ship as dry powder, and how to store it.
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Research Library
The research library
Plain-English guides on purity, certificates, storage and sourcing — written to inform researchers and built to rank in search & AI answers.
Testing & Quality
Recovery & Repair Research
Antimicrobial Peptides Explained: Defensins, Cathelicidins and LL-37
Antimicrobial peptides explained: defensins, cathelicidins like LL-37 and other host-defence peptides, how they kill microbes, and why they're studied.
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Peptide Basics
D-Amino Acids Explained: Mirror-Image Building Blocks in Peptides
D-amino acids explained: what chirality means, where mirror-image amino acids occur in nature, and why designers build them into peptides.
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Peptide Basics
Amino Acid Codes: The One-Letter and Three-Letter Chart
Amino acid codes explained: one-letter and three-letter abbreviations for all 20 amino acids, how to read a peptide sequence, and the essential nine.
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Peptide Basics
Peptide Hormones Explained: From Insulin to GLP-1
Peptide hormones explained: what they are, where they're made, how they act, and a reference table from insulin and GLP-1 to GHRH, oxytocin and PTH.
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Cognitive & Neuro Research
Neuropeptides Explained: The Brain’s Peptide Messengers
Neuropeptides explained: how they differ from classic neurotransmitters, the major families from endorphins to orexin, and which ones researchers study.
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Peptide Basics
GPCRs Explained: How Peptide Receptors Work
GPCRs explained: how G protein-coupled receptors turn a peptide signal into a cellular response, the receptor classes, and the peptides that use them.
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Testing & Quality
How Peptides Degrade: A Guide to Peptide Stability
Peptide stability explained: oxidation, deamidation, aspartimide formation, hydrolysis and aggregation, the riskiest sequences, and how storage helps.
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Cognitive & Neuro Research
Vasoactive Intestinal Peptide (VIP): What the Research Shows
Vasoactive intestinal peptide (VIP) explained: the 28-amino-acid neuropeptide found in 1970, its VPAC receptors, what it does, and sourcing in Canada.
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Anti-Aging & Cellular Research
Argireline vs SNAP-8: What the Cosmetic Peptide Research Shows
Argireline and SNAP-8 explained: the SNAP-25-mimicking cosmetic peptides, what the 2002 and 2013 studies found, the evidence gaps, and sourcing in Canada.
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