Home›Research›Compare›DSIP vs Leu-Enkephalin
Peptide ComparisonDSIP vs Leu-Enkephalin
Both are Neuro & Cognitive peptides.
DSIP
Delta Sleep-Inducing Peptide
Half-life: 30–60 minutes
94 providers listed
Leu-Enkephalin
Leucine enkephalin
No providers listed yet
Leu-Enkephalin carries stronger published evidence (Cohort study, 2 key studies) than DSIP (Animal, 1); both are research compounds.
DSIP
Evidence
Half-life
30–60 minutes
Leu-Enkephalin
Evidence
Half-life
—
| Your goal | Better option |
|---|---|
| Stronger clinical evidence | Leu-Enkephalin |
| More provider options (94 vs 0) | DSIP |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
DSIP
Leu-Enkephalin
About DSIP
Neuropeptide that modulates sleep architecture by promoting delta-wave sleep patterns. Reduces stress hormones including ACTH and cortisol, and interacts with hypothalamic-pituitary pathways to support recovery and circadian regulation.
About Leu-Enkephalin
Binds delta and mu opioid receptors in the CNS and periphery. Modulates pain signal transmission in dorsal horn neurons. Also activates opioid receptors on immune cells, influencing cytokine production and immune cell trafficking.
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
DSIP
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
Leu-Enkephalin
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
DSIP
Leu-Enkephalin
Not enough vendor pricing yet.
Where to source these peptides
PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.
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Cite this page
Data last updated July 22, 2026
Free to reference and republish with attribution to PeptideBase. Choose a format:
PeptideBase. (2026). DSIP vs Leu-Enkephalin — Per-mg Price Comparison. Retrieved July 23, 2026, from https://peptidebase.io/peptides/compare/dsip/leu-enkephalin