Side-by-Side Comparison · 2026

Neuromedin U vs Xenopsin

Neuromedin U vs Xenopsin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Neuromedin U
Neuropeptide

Neuromedin U (NMU) is a neuropeptide first isolated from porcine spinal cord and named for its ability to contract the uterus. Two bioactive forms exist in humans: the shorter NMU-23 and the predominant NMU-25, both C-terminally amidated....

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Xenopsin
Neuropeptide

Xenopsin is an octapeptide originally isolated from the skin of the South African clawed frog Xenopus laevis. It shares structural similarity with the C-terminal portion of neurotensin and activates neurotensin receptors....

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Key Parameters
Parameter Neuromedin U Xenopsin
Category Neuropeptide Neuropeptide
Research Research Preclinical
Half-Life Short (minutes) Short
Typical Dose 1-10 nmol/kg (animal) N/A (research)
Frequency Variable N/A
Route Subcutaneous, Intracerebroventricular IV / ICV (research)
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Neuromedin U and Xenopsin?
Neuromedin U: Neuromedin U (NMU) is a neuropeptide first isolated from porcine spinal cord and named for its ability to contract the uterus. Two bioactive forms exist in humans: the shorter NMU-23 and the predomina... Xenopsin: Xenopsin is an octapeptide originally isolated from the skin of the South African clawed frog Xenopus laevis. It shares structural similarity with the C-terminal portion of neurotensin and activates n...
Which has a longer half-life, Neuromedin U or Xenopsin?
Neuromedin U half-life: Short (minutes). Xenopsin half-life: Short.
Can you stack Neuromedin U and Xenopsin?
Neuromedin U and Xenopsin 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.