ProtokolPROTOKOL
Peptide

VIP (Vasoactive Intestinal Peptide)

Typical dose

~50 mcg

up to 4×/day · nasal

Half-life

~2 minutes

What is VIP (Vasoactive Intestinal Peptide)?

Neuropeptide with vasodilatory, bronchodilatory, and immunomodulatory effects.

How VIP (Vasoactive Intestinal Peptide) works

Activates VPAC receptors, increasing cAMP to relax smooth muscle and modulate inflammatory cytokines.

VIP (Vasoactive Intestinal Peptide) dosage

Typical dose
Typical: intranasal ~50 mcg per dose, up to 4×/day (research protocols).

VIP (Vasoactive Intestinal Peptide) half-life

~2 minutes (native peptide)

VIP (Vasoactive Intestinal Peptide) side effects

  • Hypotension/lightheadedness
  • Flushing
  • GI cramping

Preparation & storage

Preparation
Compounded as a nasal spray — not usually injected.
Reconstitution
Typically compounded as a nasal spray — not usually injected.

Track VIP (Vasoactive Intestinal Peptide) in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.

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For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.