What are peptides? A researcher's primer

Peptides are short chains of amino acids, typically between 2 and 50 residues, linked by peptide bonds. They sit between single amino acids and full proteins, and many act as signalling molecules in biological systems.

Why researchers study them

Because peptides are often highly specific to their target receptors, they are valuable tools for studying pathways involved in tissue repair, metabolism, sleep, and cellular ageing.

Synthetic vs. natural

Most research peptides are produced by solid-phase peptide synthesis (SPPS), which allows precise control over sequence and purity. Quality is then verified by HPLC and mass spectrometry.

Key takeaway

Purity and correct identity matter more than anything else. Always check the certificate of analysis before starting any study.

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