Peak plasma concentrations occur around 24 to 72 hours post-injection, with a half-life of approximately five days
Reduced appetite while therapeutically intended, this can occasionally lead to inadequate nutritional intake Injection site reactions mild redness, bruising, or discomfort at the site of subcutaneous injection Fatigue and dizziness reported in a subset of trial participants, often associated with early treatment phases Hypoglycaemia (low blood sugar) uncommon with retatrutide alone, but the risk increases when it is used alongside insulin or sulfonylureas
Patients may experience common stomach-related issues , such as nausea, diarrhea, and constipation , particularly during the early treatment phases or with rapid dose increases
For anyone considering this concentration, compounded tirzepatide at 20 mg/mL typically costs more per vial than 10 mg/mL but requires less volume per injection