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Reviewed against editorial standards · Updated 2026-01-29

VIP: Benefits & Research

Part of the VIP Complete Guide

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Anti-Inflammatory & Immunomodulatory

VIP shifts immune responses from Th1 (pro-inflammatory) toward Th2 (anti-inflammatory), generates regulatory T cells, and modulates dendritic cell function. Research demonstrates efficacy in animal models of rheumatoid arthritis, multiple sclerosis, and inflammatory bowel disease.

CIRS Protocol Application

VIP is used as the final step in the Shoemaker protocol for chronic inflammatory response syndrome. After completing preceding steps (cholestyramine, VCS correction, MARCoNS treatment, etc.), intranasal VIP is used to normalize residual biomarker abnormalities including low MSH, elevated TGF-β1, and MMP-9.

Neuroprotective Effects

VIP promotes neuronal survival, stimulates neurite outgrowth, and modulates glial cell function. Research shows neuroprotective effects in models of Parkinson's disease, Alzheimer's disease, and cerebral ischemia through VPAC1/VPAC2 receptor activation.

FAQ

Frequently Asked Questions

References

  1. [1] Delgado M, et al.. Vasoactive intestinal peptide: a neuropeptide with pleiotropic immune functions. Amino Acids, 2013.

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Austin Danner

Founder & Editor in Chief

Founder of Peptides Insider. Independent researcher focused on translating peer-reviewed peptide research into practical, evidence-based guides.

Reviewed against Peptides Insider editorial standards · Last reviewed 2026-01-29.