What GLP-1 Medicines Are and How They Work
GLP-1 stands for glucagon-like peptide-1, a hormone involved in regulating appetite and blood sugar. Medicines that act on this pathway — known as GLP-1 receptor agonists — mimic or enhance the effect of this hormone, helping many people feel fuller sooner and experience reduced appetite, sometimes described as quieter "food noise."
The two most commonly prescribed options
- Mounjaro (tirzepatide) — a dual GIP and GLP-1 receptor agonist, given as a once-weekly injection. For a broader overview, see our Mounjaro guide.
- Wegovy (semaglutide) — a GLP-1 receptor agonist, also given once weekly by injection. You can read more in our GLP-1 overview.
How they are prescribed
Both medicines are prescription-only. A prescriber or doctor assesses suitability based on your individual health history and circumstances — neither medicine is suitable for everyone, and that decision rests entirely with your clinical team. Doses are typically started low and adjusted over time under prescriber guidance.
What about oral GLP-1 options?
Oral formulations of GLP-1 medicines exist and are an area of ongoing development. Whether an oral option is appropriate for you is a conversation to have with your prescriber or doctor, who can advise based on your specific situation.
If you are curious about how other people navigate their GLP-1 journey, the Mounjaro community forums can be a useful source of shared experience — though they are not a substitute for clinical advice.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
Tracking the right four numbers — weight, waist, protein and dose — turns a noisy chart into a clear story. That's the loop GLP-1 users keep coming back for.
AI Meal Tracking. Built for GLP 1 Appetites.
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Staying Consistent on Your GLP-1 Journey
Once prescribed, the day-to-day reality of a weekly injection routine — remembering doses, logging how you feel, and understanding your progress — is where many people find they need support. Consistency matters, and having a clear record of your journey makes it easier to spot patterns and have informed conversations with your prescriber.
How GLP Trackr helps
The most immediately useful feature for anyone on a weekly injectable is dose and injection logging. GLP Trackr lets you record each injection — the date, dose strength, and site — so you always know exactly where you are in your schedule. Gentle reminders mean a dose is far less likely to slip your mind.
Alongside that, the side-effect tracker lets you note how you are feeling after each dose — nausea, fatigue, changes in appetite — and build a picture over time. That log can be genuinely useful to share at your next prescriber appointment. You can also find community support and shared experiences at Mounjaro community discussions.
GLP Trackr is available free on the App Store and Google Play, with a 7-day free trial — so you can start logging from your very next dose.
GLP Trackr is an information and tracking tool, not a medical service. Any questions about your dose, suitability, or side effects should always go to your prescriber or doctor — they know your full history. If you experience symptoms that are severe or persistent, contact a healthcare professional promptly. Any side effects can also be reported to your national reporting scheme (such as the UK's Yellow Card scheme) and to your healthcare professional.
What does glptrackr include?
10+ powerful features. One app. Built specifically for Mounjaro and Wegovy users.
Everything your GLP-1 journey needs. Free to try for 7 days.
Morning Check-In
Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.
Injection Tracking
Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.
Hydration Reminders
Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.
Smart Meal Planning
Personalized meal plans built around your current dose phase and side effects. Every meal is GLP-1 optimized — high in protein, gentle on the stomach, and scaled to your reduced appetite.
Recipe Library
Browse 50+ high-protein, GLP-1-friendly recipes filtered by meal type, prep time, and dietary needs. Every recipe includes full nutrition info, step-by-step instructions, and tips for eating with side effects.
Progress Analytics
Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.
AI Meal Scanning
Snap a photo of any meal and get a full nutrition breakdown in seconds — calories, protein, carbs, fat, and fibre. No searching. No manual logging. Just point, snap, and track.
Exercise & Steps
Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.
Community Support
Connect with thousands of others navigating the same medication journey. Share milestones, ask questions, find accountability partners, and get support from people who truly understand.
Never Forget a Dose Again.
Log your Mounjaro or Wegovy injection in seconds. Track your pen, your dose level, and your injection site — so you always know exactly where you are in your treatment.
Watch Your Body Transform, Week by Week.
Log your weight, measurements, and how you're feeling after each dose. GLPTrackr turns your data into clear, motivating charts that show you how far you've really come.
You're Not on This Journey Alone.
Connect with thousands of real GLP-1 users sharing their wins, side effect tips, and meal ideas. Get the support of people who truly get it — because they're living it too.
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Ad-free- Track weight, meals, water, exercise, & sleep
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- AI meal scanning & barcode scanning
- Personalised AI meal plans & recipes
- Golden Dose Finder AI
- Medication Clock — real-time level tracking
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- Full insights & weekly transformation cards
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The Most Advanced GLP-1 Brain Ever Built.
The first AI built exclusively for GLP-1 weight loss. Every insight, every meal plan, every prediction trained on one thing only: helping you get the most out of your medication.
Knows Your Cycle
GLPIQ tracks where you are in your injection cycle and adjusts everything around it: lighter meals on nausea days, higher protein when appetite returns, and smarter targets as your medication level shifts.
Predicts Before You Feel It
GLPIQ learns your personal side effect patterns over time. After a few cycles, it starts warning you the morning before a rough day — and adjusts your meal plan automatically.
Finds Your Golden Dose
GLPIQ analyses every dose you've been on: weight loss rate, side effects, food noise, mood, protein adherence and tells you which dose gave you the best results. No other app does this.
Download glptrackr today.
Available on iOS and Android. 7-day free trial, no credit card needed.
Frequently asked questions.
GLP-1 receptor agonists are prescription-only medicines that act on appetite-regulating hormones. Mounjaro (tirzepatide) and Wegovy (semaglutide) are two commonly prescribed once-weekly injectable options used alongside diet and lifestyle changes in weight management.
Yes. Mounjaro and Wegovy are prescription-only medicines in the UK. A prescriber or doctor assesses whether they are suitable for an individual based on their health history. How and where a prescription is obtained varies depending on the individual's circumstances and healthcare pathway.
Oral GLP-1 formulations exist and are an evolving area. Whether an oral option is appropriate for you is a decision for your prescriber or doctor, who can advise based on your personal health situation and what is currently available.
GLP Trackr is a companion app for people already prescribed Mounjaro or Wegovy. It lets you log each injection, record side effects, track your weight and mood, and generate a summary to discuss with your prescriber. It is available free on the App Store and Google Play.
Any questions about your dose, how you are responding, or whether the medicine is right for you should be directed to your prescriber or doctor. If side effects are severe or persistent, contact a healthcare professional promptly. You can also report side effects to your national pharmacovigilance scheme.