Elamipretide (SS-31): the first FDA-approved mitochondrial peptide
On September 19, 2025, a four-amino-acid peptide became the first approved drug to directly target the inside of a mitochondrion. That sentence probably doesn’t sound as consequential as it is. So let’s unpack it. — ## What is elamipretide? Elamipretide — also known as SS-31, MTP-131, and by the brand name Stealth — is a […]