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Where to Buy VIP: Vendor Comparison, Benefits & Side Effects

A neuropeptide studied for vasodilation and immune modulation.

Published December 17, 2025133 vendors listed2 cited sources
Compare 133 vendorsCompare prices — from $1.12/mgDosing calculator

Cheapest VIP prices per mg

The 5 lowest verified retail prices of 120 we track, ranked by cost per milligram.

Compare all 120 vendors →
VIP cost per milligram, cheapest retail vendors first
#VendorPrice / mgVisit vendor
1Bio Bulk Peptides$1.12Visit
2Steady Meds$1.20Visit
3Biohacker Direct$1.96Visit
4Chimera Peptides$2.00Visit
5Grey Matters Research$2.20Visit

Prices checked — the newest verification among the vendors shown. What “checked” means. Cost per milligram, normalised for comparison; confirm on the vendor’s own site before ordering. Sold for laboratory research use only.

What is VIP?

Vasoactive Intestinal Peptide is researched for its roles in smooth muscle relaxation and immune signaling.

Where to Buy VIP Online

133 vendors in our directory currently list VIP — 120 online stores and 13 wholesale suppliers. Stores sell by the vial with a price you can check; wholesale suppliers quote per gram on enquiry. Featured vendors paid for their placement; ratings and trust signals are never for sale.

The top 15 online stores are compared below, ordered by our directory ranking.

Compare all VIP prices per mg →

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Mechanism of Action

It binds to VPAC receptors, activating cAMP pathways that regulate vascular tone and inflammation.

Clinical Research

Cited studies

  1. 1Vasoactive intestinal peptide: a neuropeptide with pleiotropic functions
  2. 2Anti-inflammatory and immunomodulatory effects of vasoactive intestinal peptide

Researched Benefits

Research on VIP has focused on the following areas:

  • Endogenous vasoactive intestinal peptide researched for potent vasodilation and smooth muscle relaxation
  • May support gut motility, barrier integrity, and reduction of intestinal inflammation
  • Investigated for pulmonary, cardiovascular, and autoimmune conditions due to its immunomodulatory effects

Side Effects & Safety

Adverse reactions and limitations documented for VIP include:

  • Flushing
  • Hypotension

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