VIP peptide stands for Vasoactive Intestinal Peptide. It’s a naturally occurring neuropeptide hormone made in the gut, lungs, pancreas, and brain. It acts as a powerful signaling molecule affecting blood flow, inflammation, digestion, and immune regulation.
Here’s what VIP does in the body:
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1. Vasodilation (Widens Blood Vessels)
VIP relaxes smooth muscle in blood vessel walls → increases blood flow → can lower blood pressure.
Effects:
•Improved circulation
•Possible drop in blood pressure
•Warm/flushed feeling in some cases
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2. Bronchodilation (Opens Airways)
VIP relaxes airway smooth muscle.
Effects:
•Easier breathing
•Studied for asthma and inflammatory lung conditions
•May reduce airway inflammation
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3. Nervous System Regulation
VIP is active in the brain and autonomic nervous system.
Effects:
•Supports circadian rhythm regulation
•Influences mood and neuroprotection
•May help regulate stress responses
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4. Immune Modulation (Anti-Inflammatory)
VIP reduces pro-inflammatory cytokines and increases anti-inflammatory signaling.
Effects:
•Lowers excessive immune activation
•Studied in autoimmune and chronic inflammatory conditions
•May calm mast cell activation
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5. Digestive System Effects
VIP stimulates intestinal fluid secretion and relaxes GI smooth muscle.
Effects:
•Increases intestinal water secretion
•Can increase motility
•In excess → watery diarrhea (seen in rare VIP-secreting tumors)
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6. Hormonal Regulation
VIP influences release of:
•Prolactin
•Growth hormone
•Insulin
•Glucagon
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Potential Therapeutic Uses (Under Study)
•Chronic inflammatory response syndrome (CIRS)
•Mold toxicity protocols
•Pulmonary hypertension
•Autoimmune disorders
•Neuroinflammatory conditions