DSIP is a neuropeptide associated with the regulation of sleep architecture, stress response, and neuroendocrine balance, acting through multiple CNS pathways including modulation of GABAergic, serotonergic, and adrenergic systems. Research indicates that DSIP can promote deeper, more restorative sleep by stabilizing circadian rhythms and reducing nocturnal awakening, while also lowering central nervous system hyperarousal. It has been shown to reduce stress-induced cortisol activity, support autonomic balance, and mitigate symptoms of overtraining or chronic stress by improving the body’s adaptive response to physical and emotional strain. Additionally, DSIP may influence hormonal regulation—particularly luteinizing hormone (LH) and growth hormone release—contributing to improved recovery, reduced fatigue, and enhanced overall physiological resilience. Through its combined effects on sleep regulation, stress modulation, and neuroendocrine optimization, DSIP is recognized for its role in promoting restorative rest, improved recovery, and balanced neurophysiological function.

Due to the nature of research peptides and chemicals, all sales are final.

However, we offer replacement options in limited cases. Please refer to our Refund Policy for more information.

Processing time: 1–3 business days.
During high-volume periods, processing may take longer.

Orders are processed Monday – Friday, excluding Federal holidays.

Standard Priority Mail via United States Postal Service (USPS) $13.00 per order

We do not offer expedited or international shipping at this time. For more information, please visit our Shipping Policy.

Ingredients: DSIP 15mg

Type: Neuropeptide (sleep-modulating peptide)

Form: Lyophilized powder 

Purity: ≥99% (HPLC)

Storage: Store at 2–8 °C, protected from light and moisture

For research purposes only.