Tirzepatide is a dual agonist targeting both GLP-1 and GIP receptors, while semaglutide targets only GLP-1
Get urgent or emergency care if a fruity or acetone-like smell appears with any of the following: Vomiting or severe nausea Abdominal pain or severe weakness Deep, fast, or labored breathing Confusion, drowsiness, or trouble staying awake Signs of severe dehydration High glucose and positive ketones, if you already test for them Arrange prompt medical review if you notice any of these without emergency symptoms: Burning, urgency, or pain with urination Fever, flank pain, or cloudy urine Visible blood in the urine New excessive thirst and frequent urination Unexplained weight loss or worsening fatigue Persistent strong odor that does not improve Quick tip: Write down the smell, color, and related symptoms before your visit
Lyophilized peptides have long shelf lives, but they are not infinite
Most side effects occur after the initial dose and can last as long as the second dose
We will update this article as trial results come in throughout 2026