Elamipretide vs REGN1033

Head-to-head comparison of Elamipretide (Elamipretide (MTP-131, SS-31)) and REGN1033 (Trevogrumab (REGN1033)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyElamipretideREGN1033
CategoryMuscle & PerformanceMuscle & Performance
Full NameElamipretide (MTP-131, SS-31)Trevogrumab (REGN1033)
Molecular Weight639.8 Da~150 kDa
Half-Life1-4 hours~2-3 weeks
Amino Acids4N/A
Typical Dose0.01-0.25 mg/kg/day100-300 mg SC or equivalent trial dosing
RouteSubcutaneous/IntravenousSubcutaneous / Intravenous
Purity≥98%≥98%
Studies Count12060
Research StatusClinicalClinical

Elamipretide Benefits

  • mitochondrial protection
  • reduced oxidative stress
  • improved fatigue resistance
  • may support exercise tolerance

REGN1033 Benefits

  • myostatin blockade
  • lean-mass preservation
  • muscle hypertrophy support
  • catabolic-state countermeasure

Elamipretide Dosing

0.01-0.25 mg/kg/day SC (clinical research)|daily dosing in trials|alternative IV protocols in some studies

REGN1033 Dosing

SC or IV clinical-trial dosing|repeat every 2-4 weeks|dose escalation by study

Elamipretide Side Effects

  • nausea
  • injection-site reactions
  • diarrhea
  • headache

REGN1033 Side Effects

  • injection-site reactions
  • headache
  • fatigue

Research Overview

Elamipretide

Clinical and translational studies show elamipretide can improve mitochondrial function and some functional endpoints in mitochondrial disorders. Skeletal muscle research suggests benefits are driven by energy metabolism rather than direct muscle-building effects.

REGN1033

Human and animal studies indicate that myostatin neutralization can increase muscle size, though functional gains are often smaller than mass gains. Trevogrumab is part of the broader literature showing that selective myostatin inhibition can alter body composition in clinically meaningful ways.

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Common Stacking Partners

Elamipretide stacks with:

creatinecoenzyme-q10protein

REGN1033 stacks with:

CreatineVitamin DLeucine
mitochondriafatigueenergy-metabolismperformancemyostatin-antibodymabslean-massmuscle-growth