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Best Seller RetatruStar (GLP-3R) research peptide vial
99%+ Purity Third-Party Tested COA Available
Metabolic Research

RetatruStar

GLP-3R
Purity: 99%+ Lyophilized Powder In stock
$70
Price updates with size
10mg $70
20mg $110
30mg $150
Same-day shipping before 3PM EST
Free shipping over $200
Sealed & lot-numbered
Researcher support

About RetatruStar

Retatrutide/GLP-3R is an investigational synthetic peptide commonly described in metabolic research as a GLP-3 receptor agonist peptide, due to its ability to activate three key glucagon-related peptide pathways involved in metabolic regulation: GLP-1 (glucagon-like peptide-1), GLP-2–related GIP signaling, and glucagon receptor activity. This multi-pathway mechanism distinguishes retatrutide from single- and dual-agonist GLP peptides.

Through GLP-1 receptor activation, retatrutide has been shown in research to influence appetite regulation, satiety signaling, gastric emptying, and glucose-dependent insulin secretion. GLP-2/GIP-associated pathways contribute to insulin sensitivity, nutrient handling, and adipose tissue signaling, while GLP-3-associated glucagon receptor activity is linked to increased energy expenditure, enhanced fat oxidation, and lipid metabolism.

Preclinical studies and Phase 2 clinical trials have evaluated retatrutide for its potential role in weight loss research, obesity, metabolic syndrome, type 2 diabetes, insulin resistance, and fatty liver disease. Clinical data demonstrate significant reductions in body weight, HbA1c, fasting glucose, and liver fat, positioning retatrutide as a next-generation GLP-3 peptide therapy under active investigation.

Retatrutide’s peptide structure incorporates amino acid substitutions and lipid conjugation to improve stability and extend half-life, enabling once-weekly administration in research settings. Ongoing research continues to explore retatrutide’s effects on energy balance, cardiometabolic biomarkers, adipose tissue metabolism, and long-term metabolic health.

CompoundRetatruStar (GLP-3R)
CategoryMetabolic Research
Available sizes10mg, 20mg, 30mg
Purity99%+
FormLyophilized Powder
StorageStore lyophilized at −20°C; reconstituted, refrigerate at 2–8°C

For research use only. Not for human or veterinary use, consumption, or therapeutic application.

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