DSIP

What it is: Delta Sleep-Inducing Peptide — a naturally-occurring nonapeptide that promotes deep slow-wave sleep and modulates stress hormones.

What it does: Expect deeper, more restorative slow-wave sleep, reduced nighttime cortisol, faster sleep onset, improved next-day cognition, and reduced pain perception.

How it's used: Subcutaneous injection before bed at 100-300 mcg.