Peptides work by sending signals to cells. When a peptide binds to a specific receptor, it can trigger a response — such as activating repair pathways, influencing hormone signaling, or supporting cellular regeneration.
You can think of peptides like:
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Instructions instead of raw materials
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Signals rather than stimulants
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Keys designed to fit very specific locks in the body
This targeted action is what makes peptides unique compared to many traditional compounds.