Is Dalargin FDA approved?

Dalargin is not evaluated or approved by the FDA. It is discussed for research and educational purposes only, not as medical guidance.

VIP is not evaluated or approved by the FDA. It is discussed for research and educational purposes only, not as medical guidance.

How is Dalargin administered in research settings?

In research settings, Dalargin is typically administered via the subcutaneous or intravenous routes. PeptideBase does not provide dosing or administration instructions.

How is VIP administered in research settings?

In research settings, VIP is typically administered via the intranasal or intravenous routes. PeptideBase does not provide dosing or administration instructions.

Home›Research›Compare›Dalargin vs VIP

Peptide Comparison

Dalargin vs VIP

Name: Dalargin vs VIP — Per-mg Price Comparison
Creator: PeptideBase
License: https://peptidebase.io/terms

Both are Neuro & Cognitive peptides.

Dalargin

Leu-enkephalin-Arg

RecoveryNot EvaluatedResearch Only

No providers listed yet

Full Dalargin profile →

VIP

Vasoactive Intestinal Peptide

CognitiveNot EvaluatedResearch Only

Half-life: ~1-2 minutes (plasma)

22 providers listed

Full VIP profile →

Bottom line

VIP is carried by more providers on PeptideBase (22 vs 0); otherwise the two are closely matched on the measures we track.

Quick Verdict

Dalargin

Evidence

Preclinical

Half-life

—

VIP

Evidence

Preclinical

Half-life

~1-2 minutes (plasma)

Which One Should You Choose?

Your goal	Better option
Stronger clinical evidence	VIP
More provider options (0 vs 22)	VIP

Research summary only — not medical advice. Consult a qualified provider before making any decisions.

Side-by-Side Comparison

Dalargin

VIP

Mechanism Family

Neuro & Cognitive

Half-life

—

~1-2 minutes (plasma)

FDA Status

not evaluated

Admin Routes

subcutaneous, intravenous

intranasal, intravenous

Availability

Research Only

Providers

None listed

22 listed

Avail. Notes

—

Endogenous 28-aa neuropeptide. No FDA-approved product. Inhaled VIP studied in Phase 2 for pulmonary arterial hypertension (Santhera); program not advanced. No NDA filed. Research use only.

Research Evidence

Dalargin

PreclinicalAnimal · 1 key study · dated evidence base — most recent 2009

VIP

PreclinicalReview · 2 key studies · most recent 2022

Research Citations

Dalargin

Animal2009 · Bulletin of Experimental Biology and Medicine

Gastroprotective effect of dalargin in gastropathy due to treatment with nonsteroid antiinflammatory drugs

VIP

In vitro2022 · Journal of Molecular Neuroscience

PACAP and VIP Mitigate Rotenone-Induced Inflammation in BV-2 Microglial Cells

Review2017 · Mediators of Inflammation

Neuropeptides and Microglial Activation in Inflammation, Pain, and Neurodegenerative Diseases

About Dalargin

Binds delta and mu opioid receptors with peripheral preference due to limited CNS penetration. Reduces gastric acid secretion, promotes mucosal blood flow, and inhibits ulcer formation via prostaglandin-mediated pathways.

Research Areas

gastroprotectionGI repairanti-ulcerpain modulation

About VIP

Pleiotropic neuropeptide binding VPAC1/VPAC2 receptors; suppresses neuroinflammation, regulates circadian rhythm via SCN, modulates immune response

Research Areas

neuroprotectionanti-inflammatory (CNS)CIRS treatmentcircadian rhythm regulation

Safety Profile

Information below reflects published research data only — not medical advice. Consult a qualified provider before use.

Dalargin

No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.

VIP

Reported (Unverified — Pending Clinical Review)

low blood pressurevasoactive drug interactions

No established clinical contraindications

Price (per mg)

Dalargin

Not enough vendor pricing yet.

VIP

$5.50/mg

$4.00 – $8.00 range

9 vendors

View price index →Find providers →

Find Providers

Where to source these peptides

Providers offering

Dalargin

Browse directory →

Providers offering

VIP

22 listed

Browse directory →

PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.

More Neuro & Cognitive Comparisons

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Educational research tools — not medical advice.

Cite this page

Data last updated July 20, 2026

Free to reference and republish with attribution to PeptideBase. Choose a format:

PeptideBase. (2026). Dalargin vs VIP — Per-mg Price Comparison. Retrieved July 22, 2026, from https://peptidebase.io/peptides/compare/dalargin/vip

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