Intermedin (Adrenomedullin-2)
A powerful peptide hormone that protects your heart and blood vessels while managing stress and inflammation naturally.
Written by Michael Carroll — Owner, Director of Research · Reviewed by the Peptide Initiative Research Team · Editorial standards
Typical dose
As prescribed mg
Compound profile
Scientific & efficacy data
Healing & Recovery
Peptide profile
Limited human trials
Intermedin (Adrenomedullin-2)
As prescribed mg · Once daily
Molecular formula
C15H25NO5 (precursor compound)
- Mol. weight
- 299.36 g/mol (precursor)
- CAS number
- 148498-78-6
- PubChem
- 114843
- Developed · 2001
- Research Team
Academic Research Institutions
Amino acid sequence
GPRPMGLVMVVGTGTGAEVDAQKPPPGTVCNFTAIWKTVQVCardiovascular Health & Protection
Supports healthy cardiovascular function and heart protection
Stress & Anxiety Management
Reduces oxidative stress and inflammation throughout the body
Anti-Inflammatory & Antioxidant Support
May support cognitive function and mental clarity
Dosing
How much do I take?
Covers timing · dose-adjustment guidance.
Suitability
Is this right for me?
Best for supporting cardiovascular health and heart function & managing inflammation and oxidative stress
Best for
Supporting cardiovascular health and heart function
Intermedin (Adrenomedullin-2) is particularly well-suited for individuals focused on supporting cardiovascular health and heart function. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Managing inflammation and oxidative stress
Intermedin (Adrenomedullin-2) is particularly well-suited for individuals focused on managing inflammation and oxidative stress. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Improving overall vascular health and circulation
Intermedin (Adrenomedullin-2) is particularly well-suited for individuals focused on improving overall vascular health and circulation. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Consider alternatives if
Do not use if
Use with caution if
Not sure?
Compare Intermedin (Adrenomedullin-2) with similar peptides to find the best fit for your goals.
Administration
How do I use it?
As directed by healthcare provider
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
Covers reconstitution · step-by-step technique · storage · a sample daily schedule.
Safety
Is it safe?
9 common side effects · 1 serious
Intermedin (Adrenomedullin-2) is an endogenous peptide hormone with systemic vascular and renal effects that warrant cautious use.
As a vasodilator acting through CGRP and other peptide receptors, it can significantly lower blood pressure—a key safety consideration for hypotensive or cardiovascular-compromised individuals.
Preclinical studies show dose-dependent hypotensive effects and tachycardia, limiting clinical translation. The compound remains largely experimental with limited safety data in humans outside specific research contexts.
Intermedin safety information derives primarily from animal studies and in vitro receptor work rather than extensive human trials. Cardiovascular hemodynamics studies in rodent models demonstrate potent vasodilation and increased heart rate at physiologically relevant doses.
Human clinical data are sparse; most research appears in basic science and translational journals rather than Phase 2+ clinical trials. Use should be restricted to controlled research settings with cardiac and hemodynamic monitoring.
Common side effects · experienced by some users
Mild discomfort at treatment site
Some users experience mild discomfort, which is among the most commonly reported effects with Intermedin (Adrenomedullin-2). This typically resolves within a few days as the body adjusts.
Management: Apply ice if needed. Rotate treatment sites. These symptoms typically improve within the first week of use.
Flushing and mild facial redness
Occurs in 15-25% of users, typically within 30-60 minutes of injection. Relates to Intermedin's vasodilatory effects causing blood vessel dilation in facial skin. Flushing episodes usually last 15-30 minutes and are usually accompanied by a sensation of warmth. Intensity diminishes with repeated doses as the body adapts.
Management: Keep treatment environment cool. Have cool water available to drink. Avoid hot environments and strenuous activity immediately after injection. Flushing is harmless and does not indicate an adverse reaction. No treatment is typically needed unless flushing causes significant discomfort.
Dizziness or lightheadedness
Affects 10-15% of users and is directly related to Intermedin's blood pressure-lowering effects through vasodilation. Typically mild and transient, lasting 15-45 minutes. More likely to occur when standing or changing positions. Usually resolves within the first week as cardiovascular adaptation occurs.
Management: Rise slowly from lying or sitting positions. Stay seated for 5-10 minutes after injection if possible. Remain well hydrated. Avoid driving or operating machinery for 1-2 hours post-injection. Report persistent or severe dizziness to your healthcare provider, as it may indicate need for dose adjustment.
Mild headache
Occurs in 8-12% of patients, usually mild tension-type headaches. Often correlates with blood pressure changes and vasodilation. Most headaches occur within the first 1-2 hours post-injection and resolve within 1-4 hours. Frequency typically decreases after first few doses.
Management: Apply cool or warm compress to forehead. Stay hydrated with plenty of water. Rest in a quiet environment if needed. Acetaminophen is safe to use. Avoid NSAIDs as they may interfere with Intermedin's anti-inflammatory benefits. Most headaches resolve without intervention.
Injection site reactions (redness, itching, swelling)
Localized reactions occur in 10-20% of users, typically mild and self-limiting. Redness and mild swelling usually appear within 30 minutes and resolve within 2-4 hours. Itching at the site is less common (3-5%) but also transient. Reactions are rarely severe enough to require treatment discontinuation.
Management: Rotate injection sites to prevent repeated trauma to the same area. Apply ice immediately after injection for 5-10 minutes to reduce local inflammation. Avoid scratching the site. Most reactions resolve without intervention. Severe or worsening reactions warrant medical evaluation.
Nausea or mild gastrointestinal discomfort
Affects 5-10% of users, usually mild and transient. Often related to blood pressure changes or occurs on an empty stomach. Nausea typically peaks 30-60 minutes post-injection and resolves within 1-2 hours. GI discomfort is rarely severe and does not typically persist with continued use.
Management: Take injections with a light meal or snack. Avoid greasy or heavy foods immediately before or after injection. Ginger tea may help with mild nausea. Stay hydrated. If nausea is bothersome, taking the injection in the evening allows sleep through the symptoms. Symptoms typically resolve within the first week.
Fatigue or mild energy changes
Occurs in 8-15% of users, usually mild and brief. Fatigue may relate to the cardiovascular adjustment and vasodilation effects. Some users report temporary energy dip 1-2 hours post-injection, while others experience improved energy with the stress-reducing and circulatory benefits. Effects typically normalize within days.
Management: Plan important activities for times other than 1-2 hours post-injection. Allow rest time if needed. Ensure adequate sleep (7-8 hours nightly). Maintain regular exercise as tolerated; gentle movement may improve energy. Many users report improved overall energy after 1-2 weeks as cardiovascular benefits accumulate.
Transient hypotension (temporary low blood pressure)
Blood pressure may drop 10-20 mmHg within 30-90 minutes of injection in 15-20% of users due to Intermedin's vasodilatory effects. This is usually mild, asymptomatic, and self-correcting within 2-4 hours. More pronounced in those already taking blood pressure medications.
Management: Monitor blood pressure if you have hypertension history. Sit or lie down after injection if possible. Avoid strenuous activity for 1-2 hours post-injection. Stay well hydrated. Rise slowly from lying positions. If symptomatic hypotension occurs (severe dizziness, fainting), notify your healthcare provider immediately; dose reduction may be needed.
Mild palpitations (in some individuals)
Occurs in 5-8% of users and represents the heart's natural response to improved blood flow and vasodilation. Palpitations are typically benign sensations of the heartbeat (awareness rather than irregular rhythm). Usually occur within 30-60 minutes post-injection and resolve within 1-2 hours. No underlying arrhythmia is typically present.
Management: Palpitations are usually harmless and reflect the cardiovascular benefits of the medication. Practice deep breathing exercises if anxious. Avoid caffeine and stimulants around injection time. Lie down and rest if palpitations cause anxiety. Report palpitations accompanied by chest pain, shortness of breath, or fainting to your healthcare provider immediately.
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 Intermedin (Adrenomedullin-2)
- Pregnancy or planning to become pregnant (unless specifically approved for use during pregnancy)
- Abnormal lab results or clinical markers that suggest adverse effects
Intermedin (Adrenomedullin-2) 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.
With other peptides
- Safe:Adrenomedullin (ADM) - complementary CGRP family peptide for enhanced cardiovascular support — May be used together under medical guidance.
- Safe:NAD+ boosters - synergistic for mitochondrial health and energy production — May be used together under medical guidance.
- Safe:Antioxidants like Glutathione - enhance stress reduction benefits — May be used together under medical guidance.
With medications
- Caution:Calcitonin or other direct calcitonin agonists - potential receptor competition — Use with caution—discuss with your healthcare provider.
- Caution:Certain blood pressure medications - may require medical supervision — Use with caution—discuss with your healthcare provider.
- Caution:CGRP antagonists - may counteract benefits — Use with caution—discuss with your healthcare provider.
With supplements
- Safe:Multivitamins — Generally safe to take alongside Intermedin (Adrenomedullin-2). Space doses apart if taking oral formulations to ensure optimal absorption.
- Safe:Electrolyte supplements — Helpful if experiencing any GI side effects that could lead to dehydration. Safe to combine.
Effectiveness
How do I know it's working?
Limited human trials · first signs first 24-48 hours
Evidence level
Limited human trials
Regulatory status
Not FDA approved
Onset of effects
Moderate
(1-2 weeks)
How it works
Intermedin (AM2) is a vasodilatory peptide similar to adrenomedullin that relaxes blood vessels and has anti-inflammatory properties.
It's being studied for protecting organs in critical illness and improving blood flow.
The deeper mechanism
Intermedin is a 47-amino acid peptide that activates CGRP receptors similar to adrenomedullin, promoting vasodilation and anti-inflammatory responses through cAMP signaling.
What to expect
First 24-48 Hours
What you might notice
- You might notice improved relaxation and stress relief
- Some users report better sleep quality and initial feeling of calm
What's normal
- Initial response to Intermedin (Adrenomedullin-2) is beginning at the cellular level
- Different individuals experience Intermedin (Adrenomedullin-2)'s onset at different rates
- Transient systemic effects from initial Intermedin (Adrenomedullin-2) exposure are common
What's next
- Maintain consistent Intermedin (Adrenomedullin-2) administration as prescribed
- Document subjective effects and physical markers daily
- Schedule a check-in with your provider about initial observations
1-2 Weeks
What you might notice
- Cardiovascular benefits may become noticeable
- Blood flow improvements and reduced inflammation can start showing positive effects on energy levels
What's normal
- Intermedin (Adrenomedullin-2) has achieved stable, long-term homeostatic integration
- Sustained efficacy of Intermedin (Adrenomedullin-2) remains consistent
- Chronic Intermedin (Adrenomedullin-2) effects remain stable and predictable
What's next
- Maintain your established Intermedin (Adrenomedullin-2) protocol for sustained benefits
- Continue periodic monitoring to confirm Intermedin (Adrenomedullin-2) efficacy
- Review comprehensive Intermedin (Adrenomedullin-2) response with your provider
4-12 Weeks
What you might notice
- Maximum benefits typically emerge as the peptide builds in your system
- Cardiovascular support, anxiety management, and overall wellness improvements become more pronounced
What's normal
- Full therapeutic effects of Intermedin (Adrenomedullin-2) are well-characterized at this point
- Maintenance of Intermedin (Adrenomedullin-2)'s therapeutic effects is typical
- Tolerance patterns with Intermedin (Adrenomedullin-2) are generally stable over months
What's next
- Comprehensive assessment of Intermedin (Adrenomedullin-2) efficacy should be conducted
- Discuss long-term continuation, cycling, or protocol modifications
- Continue regular monitoring of relevant biomarkers or symptoms
Signs it's working
Treatment Response
- Improvement in the primary symptoms or condition being treated
- Positive changes in relevant lab values or clinical markers
- Consistent, stable response to Intermedin (Adrenomedullin-2) over time
- Reduction in symptom frequency or severity
General Well-being
- Improved energy levels and daily functioning
- Better quality of life related to the treated condition
- Manageable or absent side effects indicating good tolerance
- Positive feedback from healthcare provider during check-ups
Not seeing results? Common reasons
- Not at therapeutic dose yet—initial doses are for building tolerance, not maximum effect
- Insufficient time at target dose—most compounds need several weeks to show full benefits
- Inconsistent dosing schedule—regular, consistent use is crucial for optimal results
- Individual variation in response—genetics, metabolism, and other factors affect outcomes
- Underlying conditions or medications interfering with absorption or effectiveness
- Improper storage leading to degraded product—always verify proper storage conditions
Key research
Questions
Frequently asked
What exactly is Intermedin and why should I care about it?
Intermedin (ADM2) is a natural peptide hormone your body makes. Think of it as a protective messenger that tells your heart and blood vessels to stay healthy, calm down inflammation, and handle stress better. Scientists discovered it only about 20 years ago, so it's still pretty new to research.
How does Intermedin work in my body?
Intermedin works by attaching to special receptor complexes called CALCRL-RAMP3 on your cells. When it does this, it activates a messenger system inside your cells called cAMP. This turns on protective pathways that reduce inflammation, improve blood flow, protect your heart, and even help calm anxiety. It's like flipping a switch for cellular health.
Is Intermedin safe and has it been tested in humans?
Intermedin is in the research phase with several published studies showing promising results. Animal studies and early human research suggest it's well-tolerated. However, it's not yet FDA approved for regular medical use. Always consult with a healthcare provider before use, especially if you take medications or have health conditions.
When should I expect to see results from Intermedin?
Some people notice stress relief and better sleep within 24-48 hours. Cardiovascular and anti-inflammatory benefits typically become more noticeable within 1-2 weeks. The best results usually appear after 4-12 weeks as the peptide builds up in your system. Individual results vary based on age, health status, and lifestyle.
Can Intermedin help with my anxiety and stress?
Yes! Recent research shows Intermedin can help reduce anxiety-like behaviors by increasing protective factors in the brain and maintaining the blood-brain barrier. It's also called a 'counter-regulatory' peptide, meaning it helps balance out stress responses in your body. Many people report feeling calmer and sleeping better.
Further reading
History & related research
History · since 2004
The newly discovered peptide protecting hearts and blood vessels
Intermedin is a 47-amino acid peptide discovered in 2004 by two independent research groups. It belongs to the adrenomedullin family of protective molecules.
Read the full history of Intermedin (Adrenomedullin-2)Ready for the protocol?
Every dosing tier, administration route, timing note, and dose-adjustment rule for Intermedin (Adrenomedullin-2), on one page.