{"product_id":"dsip-10mg-15mg","title":"DSIP 10mg","description":"\u003cp\u003e\u003cstrong\u003eBuy high-purity DSIP in Australia (10mg). Third-party lab tested at \u0026gt;99% purity. Australian-domestic shipping, AUD pricing, supplied for laboratory research use only.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eAbout DSIP\u003c\/h2\u003e\n\u003cp\u003eDSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated from the cerebral venous blood of sleeping rabbits in the 1970s. It takes its name from the observation that infusion of the peptide promoted delta-wave (slow-wave) EEG activity in early animal models. DSIP has since become a research tool for laboratory investigation of sleep architecture, hypothalamic–pituitary–adrenal (HPA) axis modulation, and neuroendocrine stress response.\u003c\/p\u003e\n\u003cp\u003eOptic Labs supplies DSIP as a lyophilised research-grade peptide for laboratories investigating sleep-pattern modulation, circadian biology, stress-axis signalling, and analgesia models. Each vial is third-party HPLC verified at \u0026gt;99% purity. DSIP is supplied for laboratory research use only and is not intended for human consumption, cosmetic application, or any therapeutic purpose.\u003c\/p\u003e\n\n\u003ch2\u003eProduct specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Delta Sleep-Inducing Peptide (DSIP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 62568-57-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C\u003csub\u003e35\u003c\/sub\u003eH\u003csub\u003e48\u003c\/sub\u003eN\u003csub\u003e10\u003c\/sub\u003eO\u003csub\u003e15\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e ~848.8 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Lyophilised powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e \u0026gt;99% by HPLC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 10mg vial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e 2–8°C, protect from light. Reconstituted: 2–8°C, used within 30 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Manufactured to research-grade specifications, third-party HPLC verified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Australia-wide domestic dispatch from Sydney, NSW\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eResearch background\u003c\/h2\u003e\n\u003cp\u003eDSIP was first isolated by Schoenenberger and Monnier at the University of Basel in the 1970s during cross-circulation studies in rabbits, where blood from sleeping animals appeared to contain a sleep-promoting factor. The active component was sequenced as a nine-residue peptide with no homology to other neuropeptides. Decades of subsequent research have explored DSIP's behaviour across the blood–brain barrier, its interaction with neuroendocrine axes, and its possible endogenous role in sleep regulation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow-wave sleep models\u003c\/strong\u003e — early animal-model research characterised DSIP's promotion of delta-wave EEG activity in rabbit and rodent sleep studies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHPA-axis modulation\u003c\/strong\u003e — published preclinical work has examined DSIP's effect on ACTH, cortisol\/corticosterone and stress-axis signalling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircadian biology\u003c\/strong\u003e — laboratory studies have profiled DSIP's variation across the sleep–wake cycle and its interaction with melatonin signalling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalgesia and pain models\u003c\/strong\u003e — animal research has explored DSIP in models of nociception and opioid-receptor cross-talk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant and neuroprotective markers\u003c\/strong\u003e — in vitro work has tracked changes in lipid peroxidation, free-radical markers and cellular stress response in DSIP-exposed neural tissue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermoregulation studies\u003c\/strong\u003e — preclinical investigation has examined DSIP's effect on body-temperature regulation in rodent models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTumour-bearing animal models\u003c\/strong\u003e — published research has explored DSIP in stress and disease-resistance contexts in tumour-bearing rodents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor broader context on neuropeptide research, see our \u003ca href=\"\/blogs\/news\/semax-australia-nootropic-research-guide\"\u003eSemax nootropic research guide\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/what-are-peptides-australia-explainer\"\u003ewhat are peptides explainer\u003c\/a\u003e. Researchers working with reconstitution should also reference our \u003ca href=\"\/blogs\/news\/peptide-reconstitution-calculator-guide-australia\"\u003epeptide reconstitution guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eReconstitution and handling\u003c\/h2\u003e\n\u003cp\u003eDSIP is supplied as a lyophilised powder and is reconstituted prior to use with sterile \u003ca href=\"\/products\/bac-water-3ml-10ml\"\u003ebacteriostatic water\u003c\/a\u003e. A common laboratory approach is to add 2 mL of bac water to a 10mg vial, yielding a 5 mg\/mL working concentration; at this concentration, 0.1 mL drawn into an insulin syringe corresponds to 500 µg of peptide. Reconstituted DSIP should be stored at 2–8°C, protected from light, and used within 30 days. For step-by-step dilution mathematics, see our \u003ca href=\"\/blogs\/news\/peptide-reconstitution-calculator-guide-australia\"\u003ereconstitution calculator guide\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/peptide-storage-complete-research-guide\"\u003epeptide storage research guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eCommonly stacked research peptides\u003c\/h2\u003e\n\u003cp\u003eIn published neuropeptide and circadian research, DSIP is frequently grouped with other peptides investigated for nervous-system, stress-axis and neuroprotective research:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/semax-10mg\"\u003eSemax\u003c\/a\u003e — heptapeptide investigated for nootropic and BDNF-related research, often referenced alongside DSIP in CNS-research designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/selank-10mg\"\u003eSelank\u003c\/a\u003e — tuftsin-PGP heptapeptide studied for anxiolytic and neuroimmune research, complementary to DSIP in stress-axis work.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/glutathione-1500mg\"\u003eGlutathione\u003c\/a\u003e — endogenous tripeptide antioxidant cross-referenced with DSIP in oxidative-stress and neuroprotective research.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/epithalong-10mg\"\u003eEpithalon\u003c\/a\u003e — pineal-derived tetrapeptide referenced alongside DSIP in pineal-axis and circadian research.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cjc-1295-no-dac-ipamorelin-10mg\"\u003eCJC-1295 + Ipamorelin\u003c\/a\u003e — GH-axis blend referenced in sleep–GH-secretion research alongside DSIP.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more on multi-peptide research designs, see our \u003ca href=\"\/blogs\/news\/peptide-research-stacks-australia-combinations\"\u003epeptide research stacks overview\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs DSIP legal in Australia?\u003c\/h3\u003e\n\u003cp\u003eDSIP is supplied by Optic Labs strictly for laboratory research, development and analytical use. It is not approved by the Therapeutic Goods Administration for human therapeutic use and is not a registered medicine. For a detailed overview of Australian peptide research regulation, see our \u003ca href=\"\/blogs\/news\/are-peptides-legal-australia-tga-compliance-2025\"\u003eguide to peptide legality and TGA compliance in Australia\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is DSIP?\u003c\/h3\u003e\n\u003cp\u003eDSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated from the venous blood of sleeping rabbits. It is investigated in laboratory research as a probe for sleep architecture, HPA-axis modulation, and neuroendocrine stress response. See our \u003ca href=\"\/blogs\/news\/what-are-peptides-australia-explainer\"\u003ewhat are peptides explainer\u003c\/a\u003e for broader context.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does DSIP research focus on?\u003c\/h3\u003e\n\u003cp\u003ePublished research has examined DSIP in animal models of slow-wave sleep, circadian rhythm, stress-axis signalling, analgesia, thermoregulation and oxidative stress. It is studied as a neuroendocrine research probe rather than a sleep treatment.\u003c\/p\u003e\n\n\u003ch3\u003eHow is DSIP supplied?\u003c\/h3\u003e\n\u003cp\u003eOptic Labs supplies DSIP as a lyophilised powder in glass research vials, available in 10mg. Each vial is sealed and shipped with a tamper-evident seal. Certificates of analysis showing HPLC purity testing are available on request.\u003c\/p\u003e\n\n\u003ch3\u003eHow much bacteriostatic water do I mix with a DSIP 10mg vial?\u003c\/h3\u003e\n\u003cp\u003eA common laboratory dilution is 2 mL of \u003ca href=\"\/products\/bac-water-3ml-10ml\"\u003ebacteriostatic water\u003c\/a\u003e per 10mg vial, giving a 5 mg\/mL solution. The exact volume depends on your research protocol — see our \u003ca href=\"\/blogs\/news\/peptide-reconstitution-calculator-guide-australia\"\u003ereconstitution calculator guide\u003c\/a\u003e for dilution mathematics.\u003c\/p\u003e\n\n\u003ch3\u003eHow should reconstituted DSIP be stored?\u003c\/h3\u003e\n\u003cp\u003eReconstituted DSIP should be kept at 2–8°C, protected from light, and used within 30 days. Long-term storage of unreconstituted lyophilised powder should be at −20°C or colder. See our \u003ca href=\"\/blogs\/news\/peptide-storage-complete-research-guide\"\u003epeptide storage complete research guide\u003c\/a\u003e for handling detail.\u003c\/p\u003e\n\n\u003ch3\u003eWhere does Optic Labs ship to?\u003c\/h3\u003e\n\u003cp\u003eOptic Labs ships Australia-wide from Sydney, NSW. Standard dispatch is next business day on orders received before the daily cut-off. International shipping is not currently offered.\u003c\/p\u003e\n\n\u003ch2\u003eLegal disclaimer\u003c\/h2\u003e\n\u003cp\u003eAll products on this site are supplied for \u003cstrong\u003elaboratory research, development or analytical use only\u003c\/strong\u003e. They are not for human consumption, clinical use, or any diagnostic, cosmetic or veterinary application. These products and statements have not been evaluated by the \u003cstrong\u003eTherapeutic Goods Administration (TGA)\u003c\/strong\u003e or the \u003cstrong\u003eAPVMA\u003c\/strong\u003e and are not intended to diagnose, treat, cure or prevent any disease. Optic Labs is not a \u003cstrong\u003ecompounding pharmacy\u003c\/strong\u003e or manufacturing facility as defined under the \u003cem\u003eTherapeutic Goods Act 1989\u003c\/em\u003e, and is not a registered provider of scheduled medicines or therapeutic goods.\u003c\/p\u003e","brand":"Optic Labs","offers":[{"title":"Default Title","offer_id":53360884809912,"sku":null,"price":61.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/4196\/1656\/files\/dsip_185b75dd-19a4-405e-b7f7-9c71ee49f208.png?v=1776427918","url":"https:\/\/opticlabsau.com\/products\/dsip-10mg-15mg","provider":"Optic Labs","version":"1.0","type":"link"}