Free Tools
GLP-1 Tools & Calculators
Free calculators and tools designed specifically for people using Ozempic, Wegovy, Mounjaro, Zepbound, and other GLP-1 medications. Optimize your journey with science-backed tools used by thousands of users.
Protein Calculator
Calculate your optimal daily protein intake to preserve muscle mass while losing weight on Ozempic, Wegovy, Mounjaro, or Zepbound. Science-backed formula used by thousands of GLP-1 users.
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Injection Site Tracker
Prevent lipodystrophy by rotating injection sites. Track your weekly injections with a personalized schedule for Ozempic, Mounjaro, Wegovy, and Zepbound. Simple rotation guide used by thousands.
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GLP-1 Medication Level Calculator
Visualize when your Ozempic, Mounjaro, Wegovy, or Zepbound peaks. Understand your medication levels, plan meals around side effects, and optimize your GLP-1 journey. Free pharmacokinetic calculator.
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Mounjaro Half-Life Calculator
Visualize when your Mounjaro (tirzepatide) peaks, track your medication levels over time, and optimize your injection schedule. Tirzepatide has a half-life of approximately 5 days.
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Ozempic Half-Life Calculator
Visualize when your Ozempic (semaglutide) peaks, track your medication levels over time, and optimize your injection schedule. Semaglutide has a half-life of approximately 7 days.
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Zepbound Half-Life Calculator
Visualize when your Zepbound (tirzepatide) peaks, track your medication levels over time, and optimize your injection schedule. Tirzepatide has a half-life of approximately 5 days.
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Wegovy Half-Life Calculator
Visualize when your Wegovy (semaglutide) peaks, track your medication levels over time, and optimize your injection schedule. Semaglutide has a half-life of approximately 7 days.
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Semaglutide Half-Life Calculator
Visualize when semaglutide peaks and how long it stays in your system. Works for Ozempic, Wegovy, Rybelsus, and compounded semaglutide doses.
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Tirzepatide Half-Life Calculator
Visualize when tirzepatide peaks and how long it stays in your system. Works for Mounjaro, Zepbound, and compounded tirzepatide doses.
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Why Use Specialized GLP-1 Tools?
Managing weight loss on medications like Ozempic, Wegovy, Mounjaro, or Zepbound requires more than just a scale. Muscle preservation is critical during rapid weight loss, which is why our Protein Calculator accounts for the specific metabolic demands of GLP-1 users—calculating higher protein needs to prevent muscle loss while your body sheds fat.
Understanding the half-life of your medication helps prevent side effects and optimize timing. Our Medication Level Calculators help you visualize when medication levels peak in your system, allowing you to plan meals and activities around peak effectiveness and potential side effects.
Proper injection site rotation prevents lipodystrophy—a condition where repeated injections in the same spot cause fatty lumps or depressions that can reduce medication absorption. Our Injection Site Tracker provides a simple, personalized rotation schedule to keep your injections effective and your skin healthy.
All our tools are free to use and based on FDA-approved pharmacokinetic data and clinical research. Whether you're just starting your GLP-1 journey or optimizing your routine, these calculators help you make informed decisions about your health.