R3TA (Retatrutide)

R3TA (Retatrutide), is a synthetic 39-amino acid peptide engineered as a triple agonist of glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon receptors. It is structurally derived from incretin-based peptides with multiple non-natural amino acid substitutions and the incorporation of a C20 fatty diacid moiety via a linker to promote strong, reversible albumin binding. This modification significantly extends its half-life and enhances resistance to enzymatic degradation by dipeptidyl peptidase-IV (DPP-IV). Molecular formula: C221H342N46O68; weight: approximately 4,731.3 g/mol; CAS: 2381089-83-2.  

Available individual vial sizes: 10mg, 20mg, 30mg, 60mg. Each purchase quantity refers to one individual vial, not a supplier box.

Chemical identifiers refer to the stated reference form; salt counterions can change formula weight. Follow the supplied material’s documentation for storage and handling. Cited research is not a batch analysis of this product.

For laboratory research use only. Not for human or animal use.

Research and chemical references

• Retatrutide reference molecule; sodium salt listed separately
• Retatrutide receptor-structure study