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DSIP is widely considered the best peptide for sleep, as it has been found to promote both deep sleep (aka slow-wave sleep) and rapid-eye movement (REM) sleep

Your body naturally produces over 7,000 peptides, each regulating essential functions like hormone release, immune response, metabolism, and healing

Peptides are targeted signals: they send instructions to specific cells, tissues, or hormones rather than acting globally

Because KPV has a defined structure, researchers commonly use it in controlled laboratory environments that require consistent conditions and repeatable steps

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