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Inclusion of a compound does not constitute endorsement. Information sourced from published research and regulatory filings.

DSIP (Delta Sleep-Inducing Peptide / Emideltide)

Cat 2 → Pending Cat 1

Neuropeptide · Research peptide (multiple suppliers)

Nonapeptide researched for sleep architecture modulation and stress-related cortisol regulation. Not FDA-approved for any indication.


About

Mechanism
Nonapeptide that modulates sleep architecture. Acts on multiple targets including GABA-A receptors, serotonergic pathways, and cortisol regulation. Promotes delta-wave sleep onset without causing sedation.
Half-Life
Approximately 15-25 minutes
Route
subcutaneous
Frequency
Once daily (before sleep)

Clinical Dosing

100-300 mcgonce daily (before sleep)

Not FDA-approved. Limited human clinical data. Currently FDA Category 2 (restricted). Pending return to Category 1.

Dosing based on small human studies or early-phase trials. Not established by Phase 3 evidence.


Regulatory Status

FDA Category
Research peptide (FDA Category 2)
Reclassification
pending
Date Restricted
2023-09-29
Announced Return
2026-02-27

Status based on publicly available FDA communications. Verify at FDA.gov for authoritative guidance.

View full regulatory timeline →

Titration Protocols

Research Protocol

Source: Kovalzon & Strekalova, Peptides, 2006

DoseDurationDraw (2 mg vial in 2mL)Notes
100 mcgMaintenance0.10 mL (10 units)Standard research dose before sleep

Available Vial Sizes

2 mg

2 mg vial

5 mg

5 mg vial


Citations

  1. [1]Delta Sleep-Inducing Peptide: An Update. Peptides, 27(6), 1455-1461. Link(Reviewed: 2026-02-27)