GLP-1 Weight Loss Guides & FAQ
Straight answers about semaglutide and tirzepatide weight loss, sourced from published clinical-trial data rather than anecdotes.
How much weight can you lose on semaglutide vs. tirzepatide?
In published trials, semaglutide (STEP 1) produced average total body-weight reduction of about 14.9% at 68 weeks, while tirzepatide at its highest studied dose (SURMOUNT-1) produced about 20.9% at 72 weeks. These are trial averages, not guarantees, individual results vary.
Read the full guideHow long does it take to see results on a GLP-1 medication?
Most people see early weight loss within the first month, with the rate of loss gradually slowing as the body approaches its plateau, typically reached over 60-72 weeks in clinical trials.
Read the full guideHow does the GLP-1 weight loss calculator work?
The calculator projects a month-by-month timeline from your current weight toward your goal weight, using an approach-to-plateau curve calibrated to the average outcomes reported in the STEP 1 and SURMOUNT-1 clinical trials.
Read the full guideMore Guides
- What Is GLP-1?
- GLP-1 Pills vs. Injections
- Do GLP-1 Patches, Gummies, and Drops Work?
- GLP-1 Side Effects
- GLP-1 Medications List
- How Much Does GLP-1 Cost?
- Agonists vs. Antagonists vs. Inhibitors
- GLP-1 Before and After
- GLP-1 Injection Sites
- GLP-1 Microdosing
- Is GLP-1 Safe?
- GLP-1 and Hair Loss
- Semaglutide Dosage Chart
- Tirzepatide Dosage Chart
- Ozempic Face
- Ozempic Side Effects
- Tirzepatide Side Effects
- Ozempic vs. Wegovy
- Mounjaro vs. Zepbound
- Semaglutide Brand Names
- Ozempic for Weight Loss
- Is Tirzepatide a GLP-1?
- Tirzepatide vs. Retatrutide
- Switching From Semaglutide to Tirzepatide
- Do GLP-1s Work?
- Stopping a GLP-1: Weight Regain
- Missed a GLP-1 Dose?
- Protein on a GLP-1
- Muscle Loss on a GLP-1
- GLP-1 BMI Requirements
- GLP-1 Weight Loss Plateau
- GLP-1 Nausea and Eating Tips
- GLP-1 and Birth Control
- GLP-1 Before Surgery
- Weight Loss Percentage Calculator
- How Fast to Lose Weight
- Lifestyle vs. GLP-1 Weight Loss
- Weight Loss Injections
- Weight Loss Medications Compared
- Weight Loss Pills and Supplements
- Metformin and Weight Loss
- Weight Loss With Insulin Resistance
- Fatty Liver and Weight Loss
- Lose Weight Fast, Safely
- How Much Weight in a Month
- Weight Loss by Date Calculator
- Calorie Calculator for Weight Loss
- Intermittent Fasting for Weight Loss
- Low-Carb vs. Low-Fat Diet
- Mediterranean Diet for Weight Loss
- Healthy Weight Range by Height
Weight-Loss Timelines
- Lose 10 pounds
- Lose 15 pounds
- Lose 20 pounds
- Lose 25 pounds
- Lose 30 pounds
- Lose 40 pounds
- Lose 50 pounds
- Lose 60 pounds
- Lose 75 pounds
- Lose 100 pounds
Want a personalized estimate based on your own numbers?
Try the Free GLP-1 Calculator