PEPTIDE
Verified ComparisonLast updated: 24 February 2026

Best Peptides for Cardiovascular Research

Cardiovascular research examines peptides that protect cardiac tissue, improve ventricular function, and support coronary perfusion. This overview ranks by cardiac-specific evidence.

Compound A

SS-31 / Elamipretide

Longevity

Evidence
4.4/ 5
A

Compound B

Hexarelin

GH Secretagogue

Evidence
4.1/ 5
A−
Editor's note
SS-31 leads in mitochondrial cardiac protection; Hexarelin offers GH-mediated cardiac support.
CriterionSS-31 / ElamipretideHexarelin
Cardiac protection focusPrimary (mitochondrial)Primary (GH-mediated)
Ischemic injury preventionSubstantialEmerging
Ventricular function supportStrongStrong
Clinical trial advancementPhase II/IIIPreclinical-focused

Want to read the full reviews?

Read SS-31 / Elamipretide reviewRead Hexarelin review