Endomorphin-1 vs Teduglutide

Head-to-head comparison of Endomorphin-1 (Tyr-Pro-Trp-Phe-NH2) and Teduglutide (Teduglutide (glycyl-2 human glucagon-like peptide-2 analog)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyEndomorphin-1Teduglutide
CategoryPain ManagementGastrointestinal
Full NameTyr-Pro-Trp-Phe-NH2Teduglutide (glycyl-2 human glucagon-like peptide-2 analog)
Molecular Weight610.71 Da3752 Da
Half-LifeMinutes in plasmaapproximately 2-3 hours
Amino Acids433
Typical Dose0.1-10 ug per animal0.05 mg/kg/day
RouteIntrathecal / subcutaneousSubcutaneous
Purity≥98%≥98%
Studies Count600300
Research StatusPre-clinicalClinical

Endomorphin-1 Benefits

  • mu-opioid selectivity
  • potent antinociception
  • endogenous peptide scaffold
  • useful for receptor-discovery studies

Teduglutide Benefits

  • mucosal-growth
  • absorption-support
  • barrier-repair
  • intestinal-adaptation

Endomorphin-1 Dosing

Intrathecal 0.1-10 ug per animal|Subcutaneous 0.1-5 ug per animal|In vitro 0.1-100 nM

Teduglutide Dosing

0.05 mg/kg once daily subcutaneous injection|chronic maintenance dosing in approved use|monitor fluid status and intestinal anatomy

Endomorphin-1 Side Effects

  • respiratory depression at high exposure
  • sedation
  • tolerance and dependence potential

Teduglutide Side Effects

  • abdominal pain
  • fluid retention
  • polyp/neoplasia monitoring needed

Research Overview

Endomorphin-1

Endomorphin-1 is a key research peptide in studies of endogenous mu-opioid signaling and spinal analgesia. Like other peptide analgesics, its main translational hurdles are enzymatic instability, limited oral bioavailability, and delivery across barriers.

Teduglutide

Teduglutide has robust clinical evidence showing improved intestinal absorption and reduced parenteral nutrition dependence in short bowel syndrome. Its mechanism, via GLP-2 receptor activation, makes it highly relevant to mucosal healing and intestinal adaptation research.

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Common Stacking Partners

Endomorphin-1 stacks with:

gabapentinketamine

Teduglutide stacks with:

nutritional-supportoral-rehydrationprobiotics
mu-opioidendogenous-peptideanalgesiapain-modulationshort-bowelmucosal-healingabsorptionintestinal-adaptationGLP-2