The most common adverse effects are mild injection-site reactions and rare transient flushing
Retatrutide (Eli Lilly) an injectable triagonist adds a glucagon receptor agonist to its mechanism of action, promising an even greater impact on weight loss 19
This timeline exists because the compounding process creates a product that degrades over time when exposed to temperature, light, and air
While some improvements can be noticed within the first week, the full benefits emerge as collagen continues to regenerate over the next three to six months
Xin et al., 2018), its involvement in ER homeostasis has not been investigated
Because of that uncertainty, the FDA labelling recommends weighing the benefits of breastfeeding alongside the mother's need for Zepbound and any possible effects on the baby