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28, 2025 An earlier version of this story mistakenly said that GLP-1 agonist drugs were first approved to treat obesity in 2021

Understanding how long peptides last at room temperature helps you plan for situations where refrigeration is temporarily unavailable

Originally developed to treat diabetes, GLP-1 receptor agonists mimic the action of glucagon-like peptide 1, which stimulates insulin production and lowers blood sugar levels

JULIE: My husband's starting Ozempic next week

How is Retatrutide Administered

The added glucagon activation appears responsible for retatrutide's higher reported weight loss in trials