SS-31 (Elamipretide) vs Urolithin A

A side-by-side comparison from PeptideSciences101, the open peptide reference.

Overview

SS-31 (Elamipretide) and Urolithin A are both anti-aging & longevity peptides, but they differ in mechanism, dosing, and regulatory status.

This page compares SS-31 (Elamipretide) and Urolithin A across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.

Side-by-side comparison

SS-31 (Elamipretide)Urolithin A
CategoryAnti-aging & LongevityAnti-aging & Longevity
Regulatory status (US)Research use onlyResearch use only
Typical dosageClinical trials ongoing250-500 mg
Frequencyresearchdaily
Reported benefitsEnhanced mitochondrial function, reduced oxidative stress, potential heart failure treatmentMitochondrial health, muscle function, longevity
Reported side effectsClinical trials. Side effects under studyWell-tolerated

Key differences

Primary use. SS-31 (Elamipretide) is categorised under Anti-aging & Longevity, while Urolithin A falls under Anti-aging & Longevity. Because they target a similar goal, they are common alternatives to weigh against each other.

Regulatory status. SS-31 (Elamipretide): not FDA-approved; treated as a research compound. Urolithin A: not FDA-approved; treated as a research compound.

Dosing. SS-31 (Elamipretide) is typically dosed at Clinical trials ongoing (research). Urolithin A is typically dosed at 250-500 mg (daily).

Can you stack them?

Some protocols combine peptides, but stacking SS-31 (Elamipretide) and Urolithin A has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.

Frequently asked questions

What is the difference between SS-31 (Elamipretide) and Urolithin A?
SS-31 (Elamipretide) and Urolithin A are both anti-aging & longevity peptides, but they differ in mechanism, dosing, and regulatory status. SS-31 (Elamipretide) is not FDA-approved; generally classified as a research compound, whereas Urolithin A is not FDA-approved; generally classified as a research compound.
What is SS-31 (Elamipretide) used for?
Mitochondrial optimization.
What is Urolithin A used for?
Mitochondrial health compound.
Can you take SS-31 (Elamipretide) and Urolithin A together?
Some users combine peptides within a single protocol, but stacking SS-31 (Elamipretide) and Urolithin A has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
Is SS-31 (Elamipretide) or Urolithin A FDA-approved?
SS-31 (Elamipretide) is not FDA-approved; generally classified as a research compound. Urolithin A is not FDA-approved; generally classified as a research compound.

Read the full articles

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