What are weight loss injections — and what about glutathione or tanning injections?
The phrase "injections for weight loss" covers several different substances, and it is worth being clear about what each one is — because they are very different in evidence, purpose, and safety profile.
Prescribed GLP-1 medicines (Mounjaro and Wegovy)
Mounjaro (tirzepatide) and Wegovy (semaglutide) are prescription-only, once-weekly injectable medicines licensed for weight management in adults who meet specific clinical criteria. Mounjaro acts on both GIP and GLP-1 receptors; Wegovy acts on GLP-1 receptors. Both work by influencing appetite-regulating pathways, increasing the sense of fullness, and slowing gastric emptying. They are supplied as pre-filled pens and are injected subcutaneously — typically into the abdomen, thigh, or upper arm. You can read more about Mounjaro specifically as a weight loss injection for a closer look at how tirzepatide is used in practice.
Glutathione injections
Glutathione is an antioxidant sometimes marketed in injectable form with claims ranging from skin brightening to weight loss. It is not a licensed weight management medicine, and there is no robust clinical evidence supporting its use for weight loss. If you have questions about any unlicensed injectable product, speak with your prescriber or doctor before using it.
Tanning injections
Products sometimes called "tanning injections" — typically containing melanotan — are not licensed medicines in most countries and are not approved for weight loss. They carry serious safety concerns and are not related to the GLP-1 medicines discussed on this page. Your prescriber or doctor is the right person to ask about any injectable product you are unsure about.
For a broader overview of the injectable medicines prescribed for weight management, see our guide to weight loss injections.
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.
Point your camera at any meal and let our AI do the rest. Breakfast, doses, weight, mood all tracked in seconds.
Tracking your weight loss injections with GLP Trackr
Staying consistent with a weekly injection schedule is one of the most important — and surprisingly easy to slip up on — parts of a GLP-1 journey. GLP Trackr is built specifically for people already on Mounjaro or Wegovy, and injection-site rotation tracking is at the heart of what it does.
Each time you inject, you can log the site you used — abdomen, thigh, or upper arm — and the app tracks your rotation history, then suggests where to inject next. Rotating sites properly helps reduce the chance of localised skin reactions, and having a clear record means you never have to try to remember where you last injected. Alongside site tracking, the app logs each dose with its date, time, and strength, so you always have an accurate picture of where you are in your treatment schedule.
If you ever miss a dose or have a question about your schedule, log it in the app and bring that record to your next prescriber appointment — any decision about your dosing belongs with your prescriber or doctor, not with an app. GLP Trackr helps you keep the information organised so those conversations are as useful as possible.
You might also find it helpful to explore information on the cost considerations around weight loss injections if that is something you are navigating alongside your treatment.
If you experience any injection-site reactions that are severe, persistent, or worrying, contact your healthcare professional promptly. GLP Trackr is a tracking companion — it is not a substitute for clinical advice.
Ready to take the guesswork out of injection-site rotation? Download GLP Trackr on the App Store or Google Play and start a free 7-day trial — your injection log, rotation history, and dose schedule all in one place.
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.
Download on the App Store Download on the Google Play
Founding Member Offer
One plan. Everything included. No hidden extras.
Founding Member
Exclusive Offer
Join the first 1,000 membersand lock in our lowest ever price
Offer expires in:
786 of 1000 founding spots remaining
50% OFF
Lifetime Price Lock
Never pay full price • Forever
🔒 No credit card required • Cancel anytime
Premium
Ad-free- Track weight, meals, water, exercise, & sleep
- Log doses, injection sites, & side effects
- 60-second daily morning check-in
- AI meal scanning & barcode scanning
- Personalised AI meal plans & recipes
- Golden Dose Finder AI
- Medication Clock — real-time level tracking
- Daily Brief and predictive side effects
- Full insights & weekly transformation cards
- Unlimited progress photos
- Doctor PDF export & body measurements
- Community Access—Connect with GLP-1 users
Powered by
🔒 No credit card required • Cancel anytime
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.
The most commonly prescribed weight loss injections are Mounjaro (tirzepatide) and Wegovy (semaglutide). Both are prescription-only, once-weekly injectable GLP-1 medicines. Other substances marketed as weight loss injections, such as glutathione, are not licensed weight management medicines.
There is no robust clinical evidence that glutathione injections produce meaningful weight loss. Glutathione is not a licensed weight management medicine. If you are considering any injectable product, discuss it with your prescriber or doctor before use.
No. Products sometimes called tanning injections — typically containing melanotan — are not licensed medicines and are not used for weight management. They are entirely separate from the GLP-1 medicines prescribed for weight loss and carry significant safety concerns.
Mounjaro and Wegovy are injected subcutaneously, most commonly into the abdomen, thigh, or upper arm. Rotating the injection site each week is generally recommended. Your prescriber or doctor, along with the patient information leaflet, will guide you on technique and site selection.
GLP Trackr lets you log each injection site after every dose and tracks your rotation history, suggesting where to inject next. This removes the need to remember which site you last used and helps you stay consistent with rotation across your weekly schedule.