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Adipotide
Weight Management
AOD-9604
Weight Management
BPC-157
Healing & Recovery
Cagrilintide
Weight Management
CJC-1295
Growth Hormone
DSIP
Sleep & Recovery
Epithalon
Anti-Aging
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Anti-Aging
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Growth Hormone
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Growth Hormone
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NAD+
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Hormone Support
PEG-MGF
Recovery
PNC-27
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PT-141
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Retatrutide
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Selank
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Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Snap-8
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SS-31
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TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Thymosin Alpha-1
Immune
Tirzepatide
Weight Management
Total Peptides: 32
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Healing & Recovery Protocol

VIP (Vasoactive Intestinal Peptide)Complete Dosing & Administration Guide

Endogenous neuropeptide with vasodilatory, anti-inflammatory, and immunomodulatory properties

Dose Range

67 mcg/day-300 mcg/daymcg

Frequency

Once daily

Route

Intravenous infusion

Cycle Length

Ongoing/indefinite

Dosing

How much
do I take?

Timing

Best time to take

VIP (Vasoactive Intestinal Peptide) is administered intravenously in a clinical setting. Timing is determined by your healthcare provider based on the treatment protocol and your medical needs.

With food?

IV administration of VIP (Vasoactive Intestinal Peptide) is not dependent on meal timing. Your healthcare team will provide specific instructions regarding food and fluid intake around treatment sessions.

If stacking

VIP (Vasoactive Intestinal Peptide) should be used as directed by your healthcare provider. If combining with other medications or supplements, discuss potential interactions with your provider. Avoid combining with compounds that have overlapping mechanisms unless specifically guided by a medical professional.

Adjusting Your Dose

Increase if

  • +You've tolerated the current dose for the recommended period without significant side effects
  • +Therapeutic goals haven't been met at the current dose level
  • +Your healthcare provider recommends dose escalation based on your response
  • +Lab work or clinical assessments support a higher dose

Decrease if

  • -Side effects are bothersome or impacting daily life despite management strategies
  • -You experience any signs of an adverse reaction
  • -Lab results indicate the need for dose reduction
  • -Your healthcare provider recommends a lower dose based on your response

Signs of right dose

  • Therapeutic goals being met with minimal side effects
  • Stable and consistent response to treatment
  • Lab values or clinical markers trending in the right direction
  • Good tolerance with manageable or absent side effects

Dosing Calculator

Calculate Your Exact Dose

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Step 1: Peptide Weight

Find the weight printed on your peptide vial label

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The weight is on the label

Peptide vial
5mg

Select Weight

mg

Look for a number followed by 'mg' on the vial label (e.g., 5mg, 10mg)

Administration

How do I
use it?

Reconstitution

What you need

  • VIP (Vasoactive Intestinal Peptide) vial (lyophilized powder or solution)
  • Bacteriostatic water or sterile sodium chloride for reconstitution
  • Alcohol swabs for cleaning vial tops and injection sites
  • Appropriately sized syringes with fine-gauge needles (27-30 gauge)
  • Sharps disposal container

Example

Add the recommended volume of bacteriostatic water to the VIP (Vasoactive Intestinal Peptide) vial. Gently swirl (do not shake) until the powder is fully dissolved. The resulting solution should be clear. Calculate your individual dose based on the concentration and your prescribed amount.

Your dose of VIP (Vasoactive Intestinal Peptide) is determined by your healthcare provider. Using an insulin syringe marked in units, draw up the exact amount prescribed. For example, if the reconstituted concentration is 1mg/mL and your dose is 0.5mg, draw up 0.5mL (50 units on an insulin syringe). Always double-check calculations before injection.

Injection

Route

Subcutaneous injection (into the fatty tissue just under the skin)—allows for consistent absorption and can be self-administered at home after proper training

Best sites

  • Abdomen (stomach area)—at least 2 inches from the belly button, most popular choice for self-injection
  • Front of thighs—middle to upper portion of the outer leg
  • Back of upper arm—outer area (may need assistance from another person)

Technique

  • 1.Wash your hands thoroughly with soap and water before handling supplies
  • 2.Clean the injection site with an alcohol swab and let it air dry completely
  • 3.Pinch a fold of skin at the chosen injection site
  • 4.Insert the needle at a 45-90 degree angle (depending on needle length and body composition)
  • 5.Inject the medication slowly and steadily over 5-10 seconds
  • 6.Release the skin fold and remove the needle, applying gentle pressure with a clean swab
  • 7.Rotate injection sites to prevent tissue irritation or lipodystrophy
  • 8.Dispose of the needle safely in a sharps container—never recap or reuse needles
Full Injection Guide

Storage

Before reconstitution

Store VIP (Vasoactive Intestinal Peptide) in the refrigerator at 36-46°F (2-8°C) in its original packaging. Protect from light and moisture. Do not freeze. Check the expiration date before use. Some formulations may be stored at room temperature for limited periods—check your specific product labeling.

After reconstitution

Once reconstituted, VIP (Vasoactive Intestinal Peptide) should be kept refrigerated at 36-46°F (2-8°C) and used within the timeframe specified on your product labeling (typically 14-28 days). Label the vial with the reconstitution date. Do not use if the solution appears cloudy, discolored, or contains particles.

Signs of degradation

  • Solution appears cloudy, discolored, or contains visible particles (should be clear)
  • Product has been exposed to temperatures outside the recommended storage range
  • Product has been frozen (unless specifically designed for freeze-thaw stability)
  • Expiration date has passed or reconstituted solution has exceeded its use-by date
  • Unusual odor, color change, or visible contamination

Sample Daily Schedule

As prescribed (once daily)

As prescribed by your healthcare provider injection

Site: Intravenous infusion—rotate sites if applicable

Maintain a consistent schedule for optimal results with VIP (Vasoactive Intestinal Peptide). Set reminders if needed. If you miss a dose, follow your healthcare provider's instructions—do not double up on doses to compensate.

Safety

Is it
safe?

Safety Profile

VIP (Vasoactive Intestinal Peptide) is a 28-amino acid endogenous neuropeptide with moderate evidence from Phase 1-2 human clinical trials. The synthetic pharmaceutical form (aviptadil/RLF-100) received FDA fast-track designation for COVID-19-associated ARDS, indicating recognition of its therapeutic potential. Critical safety considerations: VIP is a potent vasodilator that causes dose-dependent hypotension and compensatory tachycardia—hemodynamic monitoring is essential during IV administration. Common side effects include facial flushing and diarrhea from its GI effects. Phase 2b/3 COVID-19 ARDS trials (196 patients) reported NO serious drug-related adverse events, a favorable safety signal. However, individual responses to vasodilation vary significantly based on baseline cardiovascular status, medications, and underlying conditions. The peptide's short plasma half-life (1-2 minutes) limits systemic accumulation. Inhaled VIP shows excellent local tolerability for pulmonary applications with minimal systemic absorption.

VIP's therapeutic evidence comes from Phase 1-2 human clinical trials in pulmonary conditions and a Phase 2b/3 COVID-19 ARDS trial (NCT04703816) that showed improved 60-day survival rates. As an endogenous 28-amino-acid neuropeptide, its pharmacology is well-characterized from decades of basic science research. Clinical applications require IV infusion with continuous hemodynamic monitoring.

Common Side Effects

Experienced by some users

Facial Flushing

Common cutaneous vasodilation causing temporary redness of face and trunk during systemic administration

Management: Transient and self-resolving; no treatment typically required

Diarrhea

Gastrointestinal smooth muscle effects and secretory stimulation may cause watery diarrhea, especially with systemic administration

Management: Usually transient; anti-diarrheal agents if needed; dose adjustment may help

Nausea

Gastrointestinal effects including nausea and occasional vomiting during or shortly after systemic administration

Management: Antiemetic medications as needed; typically improves with continued therapy

Less Common

  • Hypotension
  • Tachycardia
  • Cardiovascular Effects

These typically resolve with continued use or dose adjustment.

Stop and Seek Help If

  • ×Severe or worsening side effects that don't improve with dose adjustment or supportive care
  • ×Signs of an allergic reaction—rash, hives, swelling, or difficulty breathing
  • ×Your healthcare provider recommends discontinuation based on your clinical response
  • ×Development of any new medical condition that may be contraindicated with VIP (Vasoactive Intestinal Peptide)
  • ×Pregnancy or planning to become pregnant (unless specifically approved for use during pregnancy)
  • ×Abnormal lab results or clinical markers that suggest adverse effects

VIP (Vasoactive Intestinal Peptide) should only be started, adjusted, or discontinued under medical supervision. This information is for educational purposes only and does not replace professional medical advice. Never stop a prescribed treatment without consulting your healthcare provider first, as abrupt discontinuation may have consequences.

Interactions

With other peptides

  • Complementary vasodilatory pathways may enhance pulmonary hemodynamic improvement in pulmonary hypertension
  • Combining with other anti-inflammatory agents like KPV may provide synergistic cytokine suppression
  • VPAC receptor-mediated neuroprotection complements other neuroprotective strategies in neurodegeneration research

With medications

  • !Antihypertensive Medications - Additive hypotensive effects may cause dangerous blood pressure drops requiring careful hemodynamic monitoring
  • !PDE5 Inhibitors - Combined vasodilation through different mechanisms may cause severe hypotension
  • !Vasoconstrictors - Pharmacological antagonism with VIP vasodilatory effects may reduce therapeutic efficacy of both agents

With supplements

  • Multivitamins - Generally safe to take alongside VIP (Vasoactive Intestinal Peptide). Space doses apart if taking oral formulations to ensure optimal absorption.
  • Electrolyte supplements - Helpful if experiencing any GI side effects that could lead to dehydration. Safe to combine.

Want the Full Picture?

View the complete VIP (Vasoactive Intestinal Peptide) research profile including mechanism of action, clinical studies, effectiveness timeline, and FAQ.

View Full VIP (Vasoactive Intestinal Peptide) Profile

Medical Disclaimer

VIP (Vasoactive Intestinal Peptide) is an investigational research compound not approved by the FDA for human therapeutic use. This information is for educational purposes only and should not be construed as medical advice. Always consult with a qualified healthcare provider before starting any new supplement or treatment protocol.

Last updated: 2/8/2026