Retatrutide

Description

Retatrutide Overview

Retatrutide is a synthetic peptide acting as a potent triple hormone receptor agonist. It is chemically engineered to target and activate three specific receptors involved in metabolic regulation: the Glucose-Dependent Insulinotropic Polypeptide (GIP), Glucagon-Like Peptide-1 (GLP-1), and Glucagon (GCG) receptors.

Unlike dual agonists (such as Tirzepatide), the inclusion of the Glucagon receptor agonist in Retatrutide (LY3437943) is currently the subject of extensive Phase 3 clinical trials (e.g., the TRIUMPH studies). Research focuses on its superior ability to influence hepatic lipid metabolism and increase total energy expenditure compared to single or dual-receptor analogs.

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Technical Specifications

• Peptide Name: Retatrutide
• Synonyms: LY-3437943, GGG Tri-agonist, “Triple G”
• CAS Number: 2381089-83-2
• Molecular Formula: C221H342N62O64
• Molar Mass: ~4731.33 g/mol
• Purity: ≥99.0% (determined by HPLC)
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in sterile water or bacteriostatic water

Mechanism of Action (Research Context)
Research into LY3437943 focuses on its unique “GGG” synergy, providing a three-tiered approach to metabolic study:

• GLP-1 Agonism: Investigated for its role in glucose-dependent insulin secretion and the regulation of gastric emptying speeds.
• GIP Agonism: Studied for its potential to improve systemic insulin sensitivity and enhance adipose tissue lipid buffering.
• Glucagon (GCG) Agonism: The distinguishing factor of Retatrutide. In research settings, Glucagon agonism is observed for its ability to increase basal metabolic rate and promote lipolysis (fat breakdown) within the liver, addressing markers of MASLD/NAFLD.

Storage and Handling

• Lyophilized (Powder): Store at -20°C (-4°F) for up to 36 months. Retatrutide is highly stable in its freeze-dried state; avoid repeated freeze-thaw cycles to maintain peptide integrity.
• Reconstituted (Liquid): Once dissolved in a research solvent, the solution should be kept at 4°C (39°F) and utilized within 21 days for optimal experimental stability.
• Handling: Standard laboratory safety protocols apply. Always wear protective gloves and eyewear. This product is for laboratory research use only.

Testing and Quality Control
At Flux Peptides, we prioritize research integrity through rigorous analytical verification. Every batch of Retatrutide undergoes:

1. HPLC (High-Performance Liquid Chromatography): To ensure purity profiles consistently exceed 99.0%.
2. MS (Mass Spectrometry): To verify molecular weight and the specific 39-amino acid sequence.
3. Stability Analysis: To confirm the peptide remains potent under various environmental stressors.