Delta Sleep-Inducing Peptide.
DSIP (Delta Sleep-Inducing Peptide) is a 9-residue peptide first isolated from rabbit brain in the 1970s based on its ability to induce delta-wave EEG activity in recipient animals. Despite decades of research, its endogenous role remains incompletely characterized. Supplied as research-grade material with 3rd-party HPLC verification and full Certificate of Analysis per lot.
DSIP (Delta Sleep-Inducing Peptide) is a 9-residue peptide first isolated from rabbit brain in the 1970s based on its ability to induce delta-wave EEG activity in recipient animals. Despite decades of research, its endogenous role remains incompletely characterized.
Published literature describes effects on sleep architecture (delta-wave increase), stress response, and possible HPA axis modulation. Proposed receptor targets and binding partners remain incompletely identified — DSIP has been called an "orphan peptide" despite its well-characterized physiological effects.
Studied extensively in European and Russian research traditions for sleep, stress adaptation, and athletic performance. Not FDA-approved. Widely available as a research compound.
The above summarizes published research literature. This is not medical advice, a protocol, or a recommendation for use. This compound is supplied for laboratory research only.
DSIP is a 9-residue peptide with molecular formula C35H48N10O15 and molecular weight of approximately 848.9 Da.
The full structural data and release specifications are in the Compound Profile section above. Every lot ships with an independently verified Certificate of Analysis.
Each lot is independently verified by a 3rd-party analytical laboratory (STERIS Labs, Alcami Analytical, or equivalent) before release. Release specification is HPLC purity ≥ 99.5% (typical > 99.8%), mass spectrometry identity match within ±0.5 Da, water content < 5.0% Karl Fischer, and endotoxin < 0.25 EU/mL by LAL (USP <85>).
Look up the full COA for your lot at coa-lookup.html.
All compounds ship at ambient temperature in discreet, tamper-evident packaging. Lyophilized peptide powder is stable at room temperature for typical transit windows, which is why research-grade vendors ship this way. Tracked; signature not required.
Store unopened lyophilized product at 2–8°C protected from light. Once reconstituted, most peptides are stable at 2–8°C for approximately 28 days (compound-dependent).
Studied extensively in European and Russian research traditions for sleep, stress adaptation, and athletic performance. Not FDA-approved. Widely available as a research compound.
All PeptideBros compounds are sold strictly as chemical reference materials for in-vitro laboratory research. They are not for human consumption.
HPLC-verified. Mass-spec confirmed. Ambient-stable transit. The paperwork other vendors hope you never ask for.