GLP-1 guides
Practical answers to the questions people ask before and during GLP-1 treatment, written in calm, plain English and focused on what is useful to track.
- What is GLP-1 (glucagon-like peptide-1)?A plain-English guide to glucagon-like peptide-1: what the hormone does, how GLP-1 medications work, and the names you will see on prescriptions.
- GLP-1 vs peptides: what is the difference?GLP-1 medications are peptides, but not every peptide is a GLP-1. Learn how licensed GLP-1 medicines differ from unregulated "research peptides".
- GLP-1 injection site rotationWhy rotating GLP-1 injection sites matters, the usual areas used for weekly pens, and a simple way to keep track of where you injected last.
- Tracking GLP-1 side effectsHow to log nausea, constipation, fatigue and other GLP-1 side effects in a way that shows patterns across the week and after each dose change.
- Weight plateaus on GLP-1 medicationWhy the scale can stall on Mounjaro, Wegovy or Ozempic, why weekly trends matter more than daily numbers, and what to note for your clinician.
- Protein while taking a GLP-1 medicineWhy protein matters when appetite is low on GLP-1 medication, simple ways to fit it in, and how to estimate a daily protein target with our calculator.
Understand your GLP-1 journey
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Start trackingLevli is not a medical service and this page is general information, not medical advice. Always consult your healthcare provider about your medication, dose or health. Medication level estimates in Levli are illustrative only.