glp 1 being discontinued FDA says that the GLP-1 shortage is over are they discontinuing tirzepatide being

Cardiovasc Drugs Ther (2015) 29(3):24355

Another medication class, DPP-4 inhibitors, works by preventing the breakdown of your body's natural GLP-1, though with more modest effects

The nitroalkylation process occurs and in vivo, is involved in redox processes and cell signaling through the reversible covalent bound and post-traslational modifications responsible for structure, function and subcellular distribution of proteins (Valdez et al., 2011) and regulating the pro-inflammatory effect of oxidant exposure (Nair et al., 2007)

And what actually causes that pain

TL;DR Zepbound (tirzepatide) is an FDA-approved injectable medication that works by activating two hormone receptors-GLP-1 and GIP-simultaneously, making it the first dual-agonist weight loss drug