Increasingly used to support weight loss (with several countries authorizing the prescription of Novo Nordisks Wegovy and Eli Lillys Zepbound/Mounjaro drugs for weight management), the companies behind these drugs are reporting rapid sales growth and have seen their share prices rise significantly
Some suppliers offer 10mg but must be used quickly or may waste
In the key Phase 3 ATTAIN-1 trial published in the New England Journal of Medicine in 2025, once-daily orforglipron 36 mg produced mean body weight reductions of 11.2% at 72 weeks in adults with obesity, with nearly 55% of participants achieving at least 10% weight loss and 36% achieving 15% or more
1.1 The first twincretin, Tirzepatide (LY3298176) The chemical formula of TZP is C225H348N48O68, a linear synthetic peptide composed of 39 aminoacids and with a molecular weight of about 48 KDa, which arises from the fusion of aminoacid sequences structurally similar to glucagon, human GIP, GLP-1, exendin-4
However, a major divergence between the IGF-I and insulin receptor populations is the preferential coupling to members of the insulin receptor substrate (IRS) gene family
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