Vasoactive Intestinal Peptide (VIP)

Fat LossEndogenous neuropeptide / researchExperimental

28-aa neuropeptide vasodilator and VPAC agonist. Aviptadil (synthetic VIP) has been studied in pulmonary settings but VIP itself is not an FDA-approved general-use drug.

Calculate Dose

For research use only.

Key Facts

CAS: 37221-79-7
Molecular Weight (MW): 3325.8 g/mol
Half-life: Not established (rapid enzymatic degradation; route dependent)
Unit: mg
Administration Route: Subcutaneous, Intramuscular, Intravenous, or Intranasal (investigational contexts)
Frequency: Not established
Last updated: 8/23/2026
Targets: VPAC1VPAC2

Overview

28-aa neuropeptide vasodilator and VPAC agonist. Aviptadil (synthetic VIP) has been studied in pulmonary settings but VIP itself is not an FDA-approved general-use drug.

Protocol

Dosage Range: Not established (research only)
Frequency: Not established
Cycle: Not established (research only; do not self-administer)
Administration Route: Subcutaneous, Intramuscular, Intravenous, or Intranasal (investigational contexts)
Reconstitution Guide: Reconstitute per lab SOP (commonly bacteriostatic water) and handle cold chain as required