Side-by-Side Comparison · 2026

Angiotensin 1-9 vs Elabela

Angiotensin 1-9 vs Elabela — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Angiotensin 1-9
Cardiovascular Peptide

Angiotensin 1-9 (Ang 1-9) is a 9-amino acid peptide formed when ACE2 cleaves the C-terminal leucine from angiotensin I (Ang I, 10 AA). Discovered as part of the counter-regulatory renin-angiotensin system (RAS), Ang 1-9 opposes the hypertensive and tissue-damaging actions of angi...

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Elabela
Cardiovascular Peptide

Elabela (also called Apela or Toddler) is the second endogenous peptide ligand for the APJ receptor, discovered in 2013 independently through two approaches: as an essential zebrafish cardiac development factor (Toddler) and as a novel human APJ ligand (Elabela). Unlike apelin pe...

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Key Parameters
Parameter Angiotensin 1-9 Elabela
Category Cardiovascular Peptide Cardiovascular Peptide
Research Preclinical Research Research
Half-Life ~20-30 minutes Short (minutes, estimated)
Typical Dose 40-400 ng/kg/min IV infusion (animal) 5-500 nmol/kg (animal)
Frequency Acute infusion protocols Variable
Route IV/SC (research) Subcutaneous, Intravenous
FDA Status Research compound Not approved

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Frequently Asked Questions
What is the difference between Angiotensin 1-9 and Elabela?
Angiotensin 1-9: Angiotensin 1-9 (Ang 1-9) is a 9-amino acid peptide formed when ACE2 cleaves the C-terminal leucine from angiotensin I (Ang I, 10 AA). Discovered as part of the counter-regulatory renin-angiotensin sy... Elabela: Elabela (also called Apela or Toddler) is the second endogenous peptide ligand for the APJ receptor, discovered in 2013 independently through two approaches: as an essential zebrafish cardiac developm...
Which has a longer half-life, Angiotensin 1-9 or Elabela?
Angiotensin 1-9 half-life: ~20-30 minutes. Elabela half-life: Short (minutes, estimated).
Can you stack Angiotensin 1-9 and Elabela?
Angiotensin 1-9 and Elabela are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.