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Buy Retatrutide UK

Buy Retatrutide UK. Triple GLP-1/GIP/Glucagon agonist for metabolic research. ≥99% purity. Fast UK delivery.

Buy Retatrutide UK | Research Grade Triple Agonist

What is Retatrutide?

Retatrutide (LY3437943) is a novel synthetic peptide that functions as a triple agonist of three key metabolic receptors: glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon receptors. This unprecedented triple mechanism of action makes Retatrutide the most comprehensive incretin-based research tool currently available.

The peptide represents the next evolution beyond dual agonists like tirzepatide, adding glucagon receptor activation to the established GLP-1/GIP dual agonism. This triple receptor engagement enables researchers to study the complex interplay between these metabolic signalling systems and their combined effects on glucose homeostasis, energy expenditure, and body weight regulation.

Peptide Shop supplies research-grade Retatrutide with guaranteed ≥99% purity, verified through comprehensive HPLC and mass spectrometry analysis. Each order includes a detailed Certificate of Analysis, ensuring researchers receive properly characterised material for their studies.

How Does Retatrutide Work?

Retatrutide’s triple agonism creates a unique pharmacological profile by simultaneously engaging three complementary receptor systems, each contributing distinct metabolic effects.

GLP-1 Receptor Activation

The GLP-1 component provides established incretin effects:

  • Glucose-dependent insulin secretion - Enhanced pancreatic beta-cell response
  • Glucagon suppression - Reduced hepatic glucose output
  • Appetite reduction - Central satiety signalling
  • Gastric emptying delay - Prolonged nutrient absorption

GIP Receptor Activation

GIP receptor engagement adds complementary effects:

  • Enhanced insulin secretion - Synergistic with GLP-1 effects
  • Adipose tissue effects - Potential insulin sensitisation
  • Beta-cell preservation - Supportive effects on islet function
  • Bone metabolism - Research area of emerging interest

Glucagon Receptor Activation

The unique glucagon component provides:

  • Thermogenesis - Increased energy expenditure
  • Lipolysis - Enhanced fat mobilisation
  • Hepatic effects - Altered glucose and lipid metabolism
  • Appetite modulation - Additional satiety mechanisms

Synergistic Metabolic Effects

The triple combination creates unique research opportunities:

  • Enhanced weight loss mechanisms - Multiple complementary pathways
  • Improved metabolic flexibility - Coordinated fuel utilisation
  • Hepatic lipid reduction - Potential effects on fatty liver
  • Cardiovascular parameters - Emerging research focus

Research Applications of Retatrutide

Comparative Incretin Research

Retatrutide enables essential comparative studies:

  • Mono vs dual vs triple agonism - Understanding receptor contribution
  • Glucagon’s metabolic role - Separating from GLP-1/GIP effects
  • Receptor selectivity - Optimising therapeutic profiles

Weight Management Studies

The triple agonist provides comprehensive weight research tools:

  • Enhanced efficacy mechanisms - Understanding superior outcomes
  • Thermogenic effects - Glucagon-mediated energy expenditure
  • Appetite regulation - Multiple satiety pathways
  • Body composition - Effects on fat vs lean mass

Hepatic Metabolism Research

Glucagon’s hepatic effects enable liver-focused studies:

  • Hepatic lipid metabolism - NAFLD/NASH research applications
  • Glucose production - Understanding hepatic glucose output
  • Fatty acid oxidation - Studying lipid utilisation pathways

Energy Expenditure Studies

The thermogenic component opens unique research directions:

  • Brown adipose tissue activation - Glucagon-mediated effects
  • Metabolic rate changes - Understanding energy expenditure
  • Cold-induced thermogenesis - Synergy with glucagon signalling

Retatrutide Peptide Specifications

SpecificationDetail
CAS Number2381089-83-2
Molecular Weight4156.48 g/mol
Purity≥99% (HPLC)
AppearanceWhite to off-white lyophilised powder
SolubilitySoluble in water; alkaline buffer recommended
IdentityConfirmed by mass spectrometry

Reconstitution and Handling

Reconstitution Protocol

  1. Equilibrate to room temperature before opening
  2. Add sterile bacteriostatic water or alkaline buffer slowly
  3. Gently swirl to dissolve - avoid shaking
  4. Prepare aliquots immediately for optimal stability

Storage Recommendations

ConditionTemperatureDuration
Lyophilised-20°CUp to 24 months
Reconstituted2-8°CUp to 3-4 weeks
Frozen aliquots-20°CUp to 3 months

Why Choose Peptide Shop for Retatrutide?

Guaranteed Purity

  • ≥99% purity by HPLC
  • Mass spectrometry identity confirmation
  • Comprehensive COA documentation

UK-Based Delivery

  • Fast domestic shipping
  • Next-day delivery available
  • Temperature-controlled packaging
  • No customs delays

Ordering Information

Available Sizes

SizeRecommended For
5 mgPilot studies
10 mgStandard research projects

Minimum order: £200 | 10% discount on orders over £200

Research Use Statement

This product is sold exclusively for laboratory research purposes. Retatrutide from Peptide Shop is not intended for human or veterinary use.

Product Specifications

CAS Number 2381089-83-2
Molecular Weight 4156.48 g/mol
Purity ≥ 99%
Storage -20°C recommended (research-only)
Available Sizes 10 × 5 mg vials
Price Range £1800 per pack

FAQ

Retatrutide is a triple agonist that activates GLP-1, GIP, and glucagon receptors simultaneously. This distinguishes it from dual agonists like tirzepatide (GIP/GLP-1) and mono-agonists like semaglutide (GLP-1 only), providing researchers a novel tool for studying multi-receptor metabolic effects.

Retatrutide is used in metabolic research to study triple receptor activation effects on glucose homeostasis, weight management, energy expenditure, hepatic lipid metabolism, and appetite regulation. The glucagon component adds unique thermogenic and lipolytic research applications.

Store lyophilised Retatrutide at -20°C for optimal stability. Once reconstituted, keep at 2-8°C and use within 3-4 weeks. Avoid repeated freeze-thaw cycles and protect from light exposure.

Our Retatrutide is ≥99% pure as verified by HPLC analysis. Each batch includes a Certificate of Analysis with purity data, mass spectrometry identity confirmation, and peptide content analysis.

The glucagon receptor agonism provides unique research opportunities in studying hepatic glucose production, thermogenesis, lipolysis, and energy expenditure mechanisms not achievable with GLP-1/GIP dual agonists alone.

Retatrutide has an extended half-life of approximately 6 days due to fatty acid modifications that enable albumin binding. This allows researchers to study sustained triple receptor activation effects.

Reconstitute in sterile bacteriostatic water or slightly alkaline buffer (pH 7.4-8.0). Add solvent slowly along the vial wall and gently swirl to dissolve. Avoid shaking vigorously.

Retatrutide is available in 5mg and 10mg vials. Larger quantities are available for institutional research projects - contact us for bulk pricing.

Customer Reviews (15)

4.9

Based on 15 reviews

5stars
(13)
4stars
(2)
3stars
(0)
2stars
(0)
1stars
(0)
Outstanding for triple agonist research

Dr. Elizabeth Hayes • 2024-12-16Verified Purchase

We're studying the unique glucagon component effects and Peptide Shop delivers exceptional quality. The purity is verified and results are highly reproducible.

Premium quality peptide

Bristol Metabolic Research • 2024-12-10Verified Purchase

Difficult to source reliable Retatrutide in the UK. Peptide Shop solved this with excellent purity and fast delivery. Essential for our comparative studies.

Excellent product and service

James Morrison • 2024-12-03Verified Purchase

First order of Retatrutide - impressed with the quality. COA documentation is comprehensive and peptide performed as expected.

Best UK source

Cambridge Triple Agonist Lab • 2024-11-26Verified Purchase

We've tested multiple suppliers. Peptide Shop offers the best Retatrutide quality and the most reliable service. Highly recommended.

Very good quality

Dr. Robert Mitchell • 2024-11-19Verified Purchase

Excellent purity and activity in our assays. Only 4 stars because we'd appreciate a smaller 2mg size for initial pilot studies.

Outstanding for metabolic research

Manchester Endocrine Lab • 2024-11-12Verified Purchase

The triple agonist profile provides unique research opportunities. Quality from Peptide Shop is consistently excellent.

Fast delivery

Sophie Andrews • 2024-11-05Verified Purchase

Express delivery arrived next day. Product quality excellent. Will definitely order again for our research programme.

Premium research peptide

Edinburgh Obesity Studies • 2024-10-29Verified Purchase

Excellent for studying glucagon-mediated effects alongside incretin signalling. Quality is research-grade throughout.

Highly recommended

Dr. Catherine Moore • 2024-10-22Verified Purchase

Our comparative studies between mono, dual, and triple agonists require high-quality peptides. Peptide Shop delivers consistently.

Reliable supplier

Newcastle Metabolism Lab • 2024-10-15Verified Purchase

Been ordering from Peptide Shop for several months. Retatrutide quality is always excellent. Great documentation.

Excellent quality

Michael Thompson • 2024-10-08Verified Purchase

Independent HPLC confirmed purity above 99%. Perfect for serious metabolic research. Fair pricing too.

Top tier supplier

Oxford Incretin Research • 2024-10-01Verified Purchase

Essential for our multi-receptor studies. Peptide Shop provides the quality and documentation we need.

Outstanding product

Dr. Andrew Foster • 2024-09-24Verified Purchase

Premium quality Retatrutide with comprehensive COA. Our research results align with published literature.

Good product

Glasgow Metabolic Unit • 2024-09-17Verified Purchase

Quality is excellent. Service was good. Minor feedback - faster customer service response would be appreciated.

Great experience

Laura Bennett • 2024-09-10Verified Purchase

Easy ordering, fast delivery, excellent product. The 10mg size is perfect for our research scale.

Select Options

Price per pack:
£1800.00£1530.00
10 × 5 mg vials(£180.00 per vial)
Up to 15% OFF + FREE delivery on orders over £500
Order Summary
1x 10 × 5 mg vials£1800.00
15% OFF-£270.00
FREE Delivery£0.00
Total£1530.00
🎉 You save £270.00!+ FREE Delivery
≥99% PurityCOA IncludedFast UK Delivery
Total£1530.00
1
UK Delivery
Standard (3-5 days) £5.99
Express (1-2 days) £12.99
Orders over £500 FREE
Research Use Only: This product is intended for laboratory research use only. Not for human consumption.