Secretin vs Elamipretide

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

Research Score

PropertySecretinElamipretide
CategoryGastrointestinalMuscle & Performance
Full NameHuman SecretinElamipretide (MTP-131, SS-31)
Molecular Weight3055.4 Da639.8 Da
Half-Life5-7 minutes1-4 hours
Amino Acids274
Typical Dose0.2 mcg/kg IV0.01-0.25 mg/kg/day
RouteIntravenousSubcutaneous/Intravenous
Purity≥98%≥98%
Studies Count800120
Research StatusClinicalClinical

Secretin Benefits

  • stimulates-pancreatic-secretion
  • supports-bicarbonate-release
  • aids-duodenal-pH-control
  • helps-digestive-coordination

Elamipretide Benefits

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

Secretin Dosing

0.2 mcg/kg IV diagnostic dose|research infusion protocols|short bolus administration

Elamipretide Dosing

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

Secretin Side Effects

  • flushing
  • nausea
  • abdominal-cramping

Elamipretide Side Effects

  • nausea
  • injection-site reactions
  • diarrhea
  • headache

Research Overview

Secretin

Secretin is a classic GI hormone with extensive physiology literature and established diagnostic use. It remains important for studying pancreatic secretory function, biliary responses, and duodenal feedback.

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.

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Common Stacking Partners

Secretin stacks with:

pancreatic-enzymesacid-controlmeal-timing

Elamipretide stacks with:

creatinecoenzyme-q10protein
pancreatic-secretionbicarbonateduodenal-hormonedigestionmitochondriafatigueenergy-metabolismperformance