GUIDES

GLP-1 Weight-Loss Injection Guide

Sourced guides on Mounjaro®, Ozempic®, Wegovy® and Zepbound®: weekly dose tracking, managing side effects and nutrition.

★ FEATURED STARTER GUIDE

What are GLP-1 weight-loss injections?

What are GLP-1 weight-loss injections, how do they work, and which medications are there? The differences between Mounjaro, Ozempic, Wegovy and Saxenda, how they are used, and what to watch for.

Medication Guides6 min read

What Is Retatrutide? Phase 3 Trials, the FDA Approval Process and Safety Warnings

What is retatrutide, the triple hormone agonist (GIP/GLP-1/glucagon) developed by Eli Lilly? NEJM Phase 2 results, the TRIUMPH Phase 3 program, where FDA approval stands and clear safety warnings.

Use & Dosing5 min read

What to Look for in a GLP-1 Injection Tracker App (2026)

If you use Mounjaro, Ozempic or Wegovy, what features should a tracker app have? A checklist for rotation, reminders, doctor reports, privacy and price.

Nutrition & Lifestyle4 min read

Eating while on GLP-1 injections

How should you eat while using GLP-1 weight-loss injections? A portion routine that eases nausea, protein needs, water intake and dealing with constipation.

Effects & Side Effects4 min read

What happens when you stop GLP-1 injections?

What happens when you stop GLP-1 weight-loss injections? Is the weight regained, and does appetite come back? What is known after stopping the medication and what to watch for.

Effects & Side Effects4 min read

When do GLP-1 injections start working?

When do GLP-1 weight-loss injections start working, what do you feel in the first week, and when does weight change show up? The difference between the appetite effect and weight change.

Use & Dosing4 min read

How to use a GLP-1 pen

How to use a GLP-1 weight-loss injection pen: preparation, attaching the needle, injecting and aftercare. The difference between pens and vials, and common mistakes.

Use & Dosing4 min read

How to store GLP-1 injection pens

At what temperature should GLP-1 weight-loss injection pens be kept in the refrigerator, how long do they last at room temperature, and how do you travel with them? Storage conditions for Mounjaro, Ozempic and Wegovy.

Use & Dosing4 min read

What happens when your GLP-1 dose goes up?

What happens when the dose goes up? Why titration is done gradually, why side effects come back and how long they last. Dose steps in GLP-1 treatment.

Use & Dosing4 min read

GLP-1 injection sites and rotation

Where are GLP-1 weight-loss injections given: abdomen, thigh, upper arm. Why is site rotation needed, and what happens if you keep injecting the same spot?

Use & Dosing4 min read

Which day should you take your GLP-1 injection?

Which day should you take a weekly GLP-1 weight-loss injection, can you change the day, and what do you do if you miss a dose? The rules in the product information for Mounjaro and Ozempic.

Effects & Side Effects4 min read

GLP-1 injection side effects

GLP-1 weight-loss injection side effects: nausea, constipation, diarrhea, fatigue. Which symptoms are temporary, and which need a doctor right away? The known risks of GLP-1 medications.

Medication Guides4 min read

GLP-1 medication names

GLP-1 weight-loss medication names and active ingredients: Mounjaro, Zepbound, Ozempic, Wegovy, Saxenda, Trulicity, Rybelsus. Which are weekly, which are daily, and how do they differ?

Medication Guides4 min read

What are GLP-1 weight-loss injections?

What are GLP-1 weight-loss injections, how do they work, and which medications are there? The differences between Mounjaro, Ozempic, Wegovy and Saxenda, how they are used, and what to watch for.