Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| DSIP (Delta Sleep-Inducing Peptide) | Kisspeptin-10 | |
|---|---|---|
| Category | Peptides | Peptides |
| Standard Dose | Research indicates 100-300 mcg administered before bedtime via subcutaneous injection or intranasal. | Research indicates 1-10 mcg/kg via subcutaneous injection or IV bolus for acute HPG axis stimulation. |
| Timing | 30-60 minutes before desired sleep onset. Evening only. | Morning dosing preferred for testosterone optimization. Can be used acutely before sexual activity. |
| Cycle Duration | 2-4 week cycles with equal rest periods to prevent tolerance. | Short-term use only. Continuous kisspeptin administration may cause tachyphylaxis (desensitization) of the HPG axis. |
| Evidence Level | animal_plus_anecdotal | moderate_human |
DSIP is a naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) originally isolated from rabbit brain hypothalamus in 1977. It modulates GABAergic neurotransmission by potentiating GABA-activated currents in hippocampal and cerebellar neurons while blocking NMDA-activated potentiation in cortical neurons. It also interacts with opioid-associated receptors, modulates serotonin and dopamine systems (increasing serotonin levels), and promotes delta wave (slow-wave) sleep through mechanisms that remain incompletely characterized.
Research indicates 100-300 mcg administered before bedtime via subcutaneous injection or intranasal.
30-60 minutes before desired sleep onset. Evening only.
2-4 week cycles with equal rest periods to prevent tolerance.
Kisspeptin-10 is the 10-amino acid C-terminal fragment of the kisspeptin family that signals directly to GnRH neurons through the kisspeptin receptor (KISS1R/GPR54), triggering GnRH release into the portal circulation. This stimulates LH and FSH secretion from anterior pituitary gonadotrophs. In men, intravenous kisspeptin-10 produces rapid dose-dependent LH rises (4.1 to 12.4 IU/L at 1 mcg/kg within 30 minutes), increases LH pulse frequency and amplitude, and subsequently elevates testosterone through the HPG axis.
Research indicates 1-10 mcg/kg via subcutaneous injection or IV bolus for acute HPG axis stimulation.
Morning dosing preferred for testosterone optimization. Can be used acutely before sexual activity.
Short-term use only. Continuous kisspeptin administration may cause tachyphylaxis (desensitization) of the HPG axis.
Fast buy links (we may earn a small commission at no extra cost).
Take our free assessment to get personalized recommendations based on your health goals, current stack, and biomarkers.
Get Your Free Protocol →or take the assessment →