Guides
Long-form, factual reference on sequences, nomenclature, handling and related topics.
Pre-Mixed vs Lyophilised Peptides: What the Difference Actually Means
Pre-mixed solution or freeze-dried powder — how the two formats differ on stability, shipping, shelf life and handling error, and which UK suppliers ship which. Reference material only.
GLP-1 Peptide Storage, Cold Chain and Handling
How GLP-1 receptor agonist peptides — semaglutide, tirzepatide, retatrutide — are handled in laboratory and supply settings: cold chain, excursion tolerance, and in-solution stability. Reference material only.
What Is NAD+? (And Is It a Peptide?)
NAD+ explained for researchers: what the coenzyme is, why it is not a peptide, the metabolic pathways it is studied in, and how the NR and NMN precursors relate to it. Research use only.
How to read this index
What each part of a peptide entry means — the fingerprint, the property table, statuses, and how search works.
The one-letter amino acid code
A reference table mapping the twenty standard amino acids to their one- and three-letter codes and side-chain class.