Side-by-Side Comparison · 2026

Neuropeptide S vs Neurotensin

Neuropeptide S vs Neurotensin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Neuropeptide S
Neuropeptide

Neuropeptide S (NPS) is a 20-amino acid peptide discovered in 2004 that acts on the NPS receptor (NPSR1), a Gq/Gs-coupled GPCR with highest expression in amygdala, hypothalamus, and brainstem arousal centers. NPS produces a distinctive combination of simultaneous wakefulness prom...

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Neurotensin
Neuropeptide

Neurotensin (NT) is a 13-amino acid neuropeptide widely distributed throughout the central and peripheral nervous systems, with high concentrations in the hypothalamus, nucleus accumbens, and gastrointestinal tract. Discovered in 1973, neurotensin modulates dopaminergic signaling...

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Key Parameters
Parameter Neuropeptide S Neurotensin
Category Neuropeptide Neuropeptide
Research Preclinical Research
Half-Life Short (minutes, CNS) < 5 min (plasma)
Typical Dose 0.1-10 nmol (ICV, animal) 1-10 nmol/kg (animal)
Frequency Variable Variable
Route Intracerebroventricular (animal research) Subcutaneous, Intracerebroventricular
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Neuropeptide S and Neurotensin?
Neuropeptide S: Neuropeptide S (NPS) is a 20-amino acid peptide discovered in 2004 that acts on the NPS receptor (NPSR1), a Gq/Gs-coupled GPCR with highest expression in amygdala, hypothalamus, and brainstem arousal ... Neurotensin: Neurotensin (NT) is a 13-amino acid neuropeptide widely distributed throughout the central and peripheral nervous systems, with high concentrations in the hypothalamus, nucleus accumbens, and gastroin...
Which has a longer half-life, Neuropeptide S or Neurotensin?
Neuropeptide S half-life: Short (minutes, CNS). Neurotensin half-life: < 5 min (plasma).
Can you stack Neuropeptide S and Neurotensin?
Neuropeptide S and Neurotensin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.