VIP
Vasoactive intestinal peptide, a 28-amino-acid neuropeptide with wide-ranging roles in immune modulation, vasodilation, and circadian signaling.
Research status: Substantial academic literature; some clinical interest around inflammatory and pulmonary conditions.
This page is a research-orientation summary, not a dosing guide. For anything beyond general background, read the primary literature or talk to a qualified clinician — specifics like amount, frequency, or administration aren't something we publish here.
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