Starting out
On your medication
Dosage and titration
How you step up your dose gradually — and why it matters for tolerability
How to take it
Injection technique, pen handling, or daily pill — step-by-step guide
Storage
Fridge rules, travel tips, and what to do if your pen gets left out
Missed dose
What to do if you miss an injection or forget a pill — the rules vary by drug
Drug interactions
Alcohol, metformin, thyroid medication, blood pressure drugs — what to know
Injection sites
Where to inject, how to rotate, and what to do if you get lumps or bruising
Side effects
NauseaThe most common side effect — when it peaks, when it fades, and how to manage itConstipationWhy it happens, when it improves, and what actually helpsFatigueWhy you might feel tired on medication — and when it passesHair lossWhy temporary hair thinning happens and what the evidence saysMuscle lossHow much lean mass you lose, and two evidence-backed ways to protect it
Eating and body
Food noiseThe constant thoughts about food that GLP-1 medications can quietNutrition on GLP-1Why protein matters more now and what to eat when appetite disappearsExercise on GLP-1Why resistance training matters more now — the evidence for protecting muscleAlcohol and social lifeChanged tolerance, social dining, and what to tell people
Long term
How much weight will I lose?Real numbers from clinical trials — what to expect at 3, 6, and 12 monthsHow long do I take it?Current evidence says: as long as it's working. Here's why.What if I stop?What happens to your weight if you stop — the data and what it meansNot losing weight yet?Why early results vary and what to do if the scale isn't movingPlateausWhy weight loss stalls and what to do about itSwitching drugsHow to switch between medications and what to expect
Body after weight loss
Not sure where to start?
Take our quick quiz to get personalised recommendations based on your BMI, budget, and situation.
Find your starting point →Built with agentic AI tools and not a substitute for medical advice
Last reviewed:
Was this page helpful?
Medical disclaimer: This website is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any treatment. Prices shown are United States self-pay or list prices and vary by insurance and country.