DSIP — dosage, half-life & reference guide

Longevity peptide · also known as Delta Sleep-Inducing Peptide, Delta sleep peptide

A hypothalamic peptide that modulates sleep architecture by specifically increasing slow-wave (delta) sleep — the deepest, most restorative phase. DSIP also reduces cortisol and stress hormones, has mild pain-relieving properties, and acts as an antioxidant. Used in short 5-10 day cycles to reset disrupted sleep patterns or manage high-stress periods.

Commonly-researched dose ranges

DSIP is commonly researched at 200–400 mcg, nightly or as needed 30-60 min before sleep. short cycles of 5-10 days., by SubQ injection. These are reference ranges from the literature and community use, not a prescription.

Half-life

Estimated half-life: ~30 min. See how it accumulates in the half-life calculator.

Safety & interactions

Commonly reported effects: mild headache, vivid dreams, morning grogginess at higher doses. Discuss with your clinician.

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