Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu | Per Vial
From $25.00 / vial
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The sleep restoration peptide: promotes natural delta-wave sleep, normalizes cortisol and stress hormone profiles, and supports the body's nocturnal recovery cascade
DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide first isolated from the cerebral venous blood of rabbits in deep sleep by Monnier et al. in 1977. A naturally occurring nonapeptide found in the hypothalamus, limbic system, and pituitary, DSIP plays a central role in modulating sleep architecture, normalizing the hypothalamic-pituitary-adrenal (HPA) axis, and regulating the release of stress hormones including cortisol and LH. As sleep quality is directly tied to skin repair, collagen synthesis, and overall aesthetic outcomes, DSIP represents a uniquely compelling adjunct to Sculptra NYC's regenerative protocols.
Also see: Full Peptides Catalog | Official info: PubMed DSIP Research
Deep, restorative sleep is not a passive state. During slow-wave (delta) sleep, the body executes its most critical repair processes: growth hormone is released in its largest nocturnal pulse, cortisol is suppressed to its daily minimum, inflammatory cytokines are cleared, and dermal fibroblasts conduct the majority of their collagen synthesis. DSIP directly promotes and prolongs this delta-wave sleep stage, creating the optimal physiological environment for the regenerative work that aesthetic treatments depend on.
Beyond sleep promotion, DSIP exerts important modulatory effects on the HPA axis. Chronic stress and elevated cortisol are among the most powerful accelerants of skin aging, collagen degradation, and impaired wound healing. By normalizing cortisol secretion patterns and reducing the stress response, DSIP supports the hormonal balance that allows aesthetic treatments to deliver their full benefit.
| Peptide Name | DSIP (Delta Sleep-Inducing Peptide) |
| Sequence | Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (9 amino acids) |
| Molecular Weight | 848.85 g/mol |
| Form | Lyophilized powder for reconstitution |
| Purity | > 99% (HPLC verified) |
| Storage | Refrigerate at 2-8 degrees C; avoid light |
| Price | From $25.00 per vial |
Most users report improved sleep onset and deeper sleep quality within the first few nights of use.
Cortisol normalization is measurable. Daytime energy, cognitive performance, and stress resilience improve alongside sustained sleep quality gains.
Compounded improvements in skin quality, tissue repair speed, and overall vitality as the nocturnal recovery cascade becomes fully optimized.
DSIP crosses the blood-brain barrier and modulates the activity of neurons in the thalamus and brainstem responsible for generating slow-wave sleep oscillations. By promoting and synchronizing delta-wave (0.5-4 Hz) EEG activity, DSIP deepens the sleep stages during which physical repair, memory consolidation, and hormonal rebalancing primarily occur.
DSIP regulates the hypothalamic-pituitary-adrenal (HPA) axis by modulating CRH and ACTH secretion. In individuals with chronically elevated cortisol, this normalization reduces the catabolic effects of stress hormones on collagen, muscle tissue, and immune function. The resulting hormonal balance is critical for the healing environment that aesthetic treatments require.
By deepening slow-wave sleep, DSIP indirectly amplifies the body's largest daily growth hormone pulse, which occurs during the first hours of deep sleep. Growth hormone is the primary driver of overnight tissue repair: it stimulates fibroblast activity, accelerates wound healing, supports muscle protein synthesis, and promotes lipolysis for body composition optimization.
DSIP has documented antinociceptive (pain-reducing) properties mediated through opioid and non-opioid pathways, as well as direct anxiolytic effects through modulation of GABAergic and serotonergic neurotransmission. These properties reduce chronic stress load and improve subjective well-being, further supporting the physiological conditions needed for optimal aesthetic and longevity outcomes.
DSIP is ideal for individuals whose sleep quality is impacting their recovery from aesthetic treatments, their overall vitality, or their aesthetic results. It is particularly powerful when combined with collagen-stimulating treatments, as the nocturnal recovery cascade DSIP promotes is directly tied to fibroblast activity and collagen synthesis rates. Individuals managing chronic stress or elevated cortisol will also find significant benefit from DSIP's HPA-normalizing properties.
Consult a licensed healthcare provider before beginning any peptide protocol. See Important Safety Information below.
No. DSIP works through endogenous pathway modulation rather than direct sedation or receptor agonism. It does not produce the grogginess, dependency, or rebound insomnia associated with benzodiazepines or z-drugs. DSIP promotes natural sleep architecture by working with the body's existing sleep-regulation systems, making it a fundamentally different approach to sleep optimization.
Sleep is when the majority of collagen synthesis, cellular repair, and growth hormone release occur. Improving sleep quality directly improves the efficiency of aesthetic treatments. Patients who sleep poorly heal more slowly, produce less collagen, and see diminished outcomes from treatments like Sculptra and microneedling. DSIP addresses this bottleneck by ensuring the overnight recovery environment is fully optimized.
DSIP is typically administered 30 to 60 minutes before bedtime via subcutaneous injection. Dosing schedules vary by individual needs - your Sculptra NYC provider will determine whether a nightly protocol, a cycle-based approach, or a post-procedure recovery protocol is most appropriate for your situation.
Yes. DSIP pairs naturally with Epitalon (which also supports circadian rhythm and melatonin production) and with GHK-Cu or BPC-157 for comprehensive recovery protocols. The combination of optimized sleep (DSIP), cellular repair (GHK-Cu or BPC-157), and longevity support (Epitalon) represents one of the most complete anti-aging protocol frameworks available.
Important Safety Information