CLASSIFICATION: NEUROPEPTIDE / SLEEP-REGULATING PEPTIDE
ACTIVE SUBSTANCE: DSIP
FORM: LYOPHILIZED POWDER (2 ML VIAL x 10 MG)
ACTIVE HALF-LIFE: APPROX. 2 HOURS
DOSAGE: 100–500 MCG DAILY (RESEARCH USE)
ACNE: NO
WATER RETENTION: NO
HIGH BLOOD PRESSURE (HBP): NO
HEPATOTOXICITY: NONE
AROMATIZATION: NO
MANUFACTURER: PEPTIDE HUBS
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring neuropeptide that has been studied extensively for its role in promoting sleep, regulating hormonal release, and reducing stress responses in laboratory models. The 5 mg lyophilized format from Peptide Hubs offers researchers a high-purity option for studying DSIP's effects on circadian rhythms, neurological recovery, and endocrine system balance.
DSIP is a small peptide first discovered in the 1970s in the hypothalamus of rabbits, where it demonstrated the ability to induce slow-wave sleep. Since then, it has been the focus of numerous experimental models investigating its impact on sleep architecture, cortisol regulation, and oxidative stress mitigation. Research also indicates possible benefits in neuroprotection and recovery from physical and psychological stressors.
Although DSIP's full mechanisms are still under investigation, it's believed to act on the hypothalamic-pituitary-adrenal (HPA) axis, modulating sleep cycles and neuroendocrine function. It may influence melatonin secretion and reduce corticotropin-releasing hormone (CRH), helping to improve sleep quality. For more, see this NIH study on DSIP and sleep function.
DSIP 10 mg is used in studies focused on:
Some researchers also investigate its synergy with Semax in models of cognitive fatigue and recovery. Others explore DSIP alongside GHK-CU or B7-33 to examine inflammation-related interactions during rest cycles.
DSIP is often stacked with other neuro-supportive or recovery-focused compounds. Common combinations in research include:
DSIP is considered safe in laboratory settings. It does not influence androgenic or estrogenic pathways, does not aromatize, and is non-toxic to the liver. It is free from cardiovascular or blood pressure risks and has shown no hepatotoxic effects in preclinical studies.
DSIP is not approved by the FDA and is strictly sold for laboratory and research use. It must not be used in humans or animals outside regulated protocols. To follow developments in DSIP research, visit the ClinicalTrials.gov registry.
DSIP is studied for its effects on sleep regulation, stress hormone control, and neurological recovery in both acute and chronic fatigue models.
In preclinical studies, DSIP has been shown to enhance slow-wave sleep and stabilize circadian rhythms, particularly after stress exposure or jet lag models.
No, DSIP is not FDA-approved for human consumption and is sold for research purposes only under laboratory conditions.
Yes, DSIP is often studied in combination with peptides like Semax, GHK-CU, and B7-33 for neurological, inflammatory, and recovery applications.
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CLASSIFICATION: RECOMBINANT HUMAN GROWTH HORMONE (rHGH)
ACTIVE SUBSTANCE: SOMATROPIN
FORM: 1 PRE-FILLED PEN x 36 IU (12 MG)
ACTIVE HALF-LIFE: ~3.5 HOURS (SUBQ)
DOSAGE: 1–4 IU/DAY FOR ANTI-AGING; 4–8 IU/DAY FOR FAT LOSS OR PERFORMANCE
WATER RETENTION: POSSIBLE (DOSE DEPENDENT)
HEPATOTOXICITY: NONE
AROMATIZATION: NO
MANUFACTURER: PFIZER
CLASSIFICATION: RECOMBINANT HUMAN GROWTH HORMONE (r-hGH)
ACTIVE SUBSTANCE: SOMATROPIN (R-HGH)
FORM: 1 CARTRIDGE x 15 MG
ACTIVE HALF-LIFE: ~2–3 HOURS
DOSAGE: MEN 4-10 IU/DAY
ACNE: POSSIBLE
WATER RETENTION: POSSIBLE
HIGH BLOOD PRESSURE (HBP): MAY INCREASE VIA FLUID RETENTION
HEPATOTOXICITY: NONE TYPICAL
AROMATIZATION: NONE
MANUFACTURER: NOVO NORDISK
CLASSIFICATION: GONADOTROPIN (LH RECEPTOR AGONIST)
ACTIVE SUBSTANCE: HUMAN CHORIONIC GONADOTROPIN
FORM: 1 LYOPHILIZED VIAL x 5000 IU + PROVIDED SOLVENT
ACTIVE HALF-LIFE: ~24–36 HOURS
DOSAGE: MEN 500-1000 IU
ACNE: POSSIBLE
WATER RETENTION: POSSIBLE
HIGH BLOOD PRESSURE (HBP): MONITOR IF AT CV RISK
HEPATOTOXICITY: NONE TYPICAL
AROMATIZATION: INDIRECT
MANUFACTURER: IBSA
CLASSIFICATION: PEPTIDE HORMONE / HCG
ACTIVE SUBSTANCE: HUMAN CHORIONIC GONADOTROPIN
FORM: 1 ML AMP x 5000 IU
ACTIVE HALF-LIFE: ~3–6 DAYS
DOSAGE: 250–1000 IU 2–3x/WEEK (ON-CYCLE or PCT)
ACNE: POSSIBLE
WATER RETENTION: MODERATE
HIGH BLOOD PRESSURE (HBP): UNLIKELY
HEPATOTOXICITY: NONE
AROMATIZATION: INDIRECTLY ELEVATES ESTROGEN
MANUFACTURER: SUN PHARMA
CLASSIFICATION: PEPTIDE HORMONE / HCG
ACTIVE SUBSTANCE: PRE-MIXED HUMAN CHORIONIC GONADOTROPIN
FORM: 1 VIAL x 10000 IU (READY-TO-INJECT)
ACTIVE HALF-LIFE: ~3–6 DAYS
DOSAGE: 250–1000 IU 2–3x/WEEK (ON-CYCLE or PCT)
ACNE: POSSIBLE
WATER RETENTION: LOW to MODERATE
HIGH BLOOD PRESSURE (HBP): RARE
HEPATOTOXICITY: NONE
AROMATIZATION: INDIRECTLY INCREASES ESTROGEN
MANUFACTURER: BHARAT SERUMS AND VACCINES