# GLP Calendar > GLP Calendar (https://glpcalendar.app) is an iPhone app for people taking GLP-1 medications. It logs weekly shots and daily pills, sends reminders, suggests the next injection site, records side-effect check-ins by day after the shot, shows weight as a percentage of starting weight, tracks protein, water and fiber targets, keeps a supplement schedule and lab results, and creates a doctor-ready PDF report. It is a tracker: it never recommends, calculates or changes a dose. Last updated: 2026-09-29 ## Product facts - Name: GLP Calendar - Platform: iPhone (iOS) - Status: Available on the App Store: https://apps.apple.com/us/app/supplement-tracker-scanner/id6762884208 - Developer: BALANCED LLC - One App Store app with Vitamin Tracker (https://vitamintracker.app), the same developer's supplement and lab tracker - Price: the core tracker is free; an optional Plus subscription adds insights, the doctor report, lab scanning and the AI assistant. Pricing: https://glpcalendar.app/pricing.md - Medications it can track: Zepbound (tirzepatide, weekly); Mounjaro (tirzepatide, weekly); Wegovy (semaglutide, weekly); Ozempic (semaglutide, weekly); Wegovy pill (semaglutide, daily); Foundayo (orforglipron, daily); Saxenda (liraglutide, daily); Trulicity (dulaglutide, weekly); compounded semaglutide or tirzepatide entered as the pharmacy label states - Label-based rules: missed-dose windows, day-change spacing, injection sites and storage limits come from each product's US prescribing information - Pill support: for the Wegovy pill it counts down the label's 30-minute wait before food, drinks or other oral medicines, then unlocks morning supplements - Labs: GLP-1 panel (glucose, HbA1c, lipids, liver and kidney markers, vitamin D, B12, ferritin) and a warning before blood draws for people taking high-dose biotin - Independence: not affiliated with Novo Nordisk or Eli Lilly; brand names are trademarks of their owners ## What GLP Calendar does not do - It does not recommend, calculate, convert or change doses, and it offers no titration, microdosing or tapering schedules. - Its estimated medication level chart is an educational estimate from published population data, not a lab value. - It is not a medical device and does not provide medical advice. ## Guides Sourced, dated guides about GLP-1 medications. Each links to a plain Markdown version. - [Semaglutide vs Tirzepatide vs Retatrutide: Approval Status, Results and Side Effects](https://glpcalendar.app/blog/semaglutide-vs-tirzepatide-vs-retatrutide.md): Semaglutide (Ozempic, Wegovy, Rybelsus) and tirzepatide (Mounjaro, Zepbound) are approved in the US, Canada and the EU. Retatrutide is not approved by the FDA, Health Canada or the EU as of September 2026. It is still investigational, and Lilly plans to file with the FDA in early 2027. In trials, tirzepatide beat semaglutide head to head, and retatrutide showed the largest average losses. - [Retatrutide Explained: Trial Results, Side Effects and Approval Timeline](https://glpcalendar.app/blog/retatrutide.md): Retatrutide is an investigational once-weekly injection from Eli Lilly that activates GIP, GLP-1 and glucagon receptors. In the phase 3 TRIUMPH-1 trial, adults without diabetes lost an average of 28.3% of body weight at 80 weeks on the 12 mg dose (company-reported, not yet peer reviewed). As of September 2026 it is not approved anywhere; Lilly plans to file with the FDA in early 2027. - [GLP-1 Medications List 2026: Every Approved Shot and Pill, Plus What's Coming](https://glpcalendar.app/blog/glp-1-medications-list.md): As of September 2026, the FDA-approved GLP-1-based medicines are semaglutide (Ozempic, Wegovy, Rybelsus, Ozempic tablets, Wegovy pill), tirzepatide (Mounjaro, Zepbound), liraglutide (Victoza, Saxenda, generics), dulaglutide (Trulicity), generic exenatide and orforglipron (Foundayo), plus two insulin combinations. Retatrutide, CagriSema, survodutide, MariTide and amycretin are still investigational in the US. - [Semaglutide Explained: Ozempic vs Wegovy vs Rybelsus, the Wegovy Pill and Label Doses](https://glpcalendar.app/blog/semaglutide.md): Semaglutide is a GLP-1 receptor agonist peptide made by Novo Nordisk that lowers blood sugar and appetite. In the US it is sold as Ozempic (a weekly injection for type 2 diabetes), Wegovy (a weekly injection or, since December 2025, a daily pill for weight management and heart risk) and daily diabetes tablets. Each form starts low and steps up on a label schedule your prescriber manages. - [Tirzepatide Explained: Mounjaro vs Zepbound, Label Doses and Results](https://glpcalendar.app/blog/tirzepatide.md): Tirzepatide is a once-weekly injected peptide from Eli Lilly that activates both GIP and GLP-1 receptors. It is sold as Mounjaro for type 2 diabetes and Zepbound for weight management and obstructive sleep apnea. Both start at 2.5 mg and can rise in 2.5 mg steps, at least 4 weeks apart, to a maximum of 15 mg, as your prescriber decides. - [Best GLP-1 Tracker Apps in 2026: Free Options and How to Choose](https://glpcalendar.app/blog/best-glp-1-tracker-apps.md): No single app is best for everyone. As of September 2026, free options include MyFitnessPal's GLP-1 Support, Noom's GLP-1 Companion, Lilly Health for Zepbound, Mounjaro and Foundayo, WeGoTogether for Wegovy, and the iPhone Health app. Dedicated trackers such as Glapp, GlucoPal, Glowise, MeAgain and Shotsy add more tools, with paid tiers. Choose by medication, features, privacy and price. - [Compounded Semaglutide and Tirzepatide in 2026: Legal Status and Research Peptides](https://glpcalendar.app/blog/compounded-glp-1-and-research-peptides.md): Only in narrow cases. FDA declared the tirzepatide and semaglutide shortages over in December 2024 and February 2025. Since the 2025 grace periods ended, state-licensed pharmacies may compound these drugs only in limited situations, such as a documented clinical need for a specific patient, and outsourcing facilities cannot use bulk ingredient. FDA knows of no lawful basis for compounding salt forms, and says retatrutide cannot be compounded. - [Missed a GLP-1 Dose? What the Labels Say for Ozempic, Wegovy, Zepbound and Mounjaro](https://glpcalendar.app/blog/missed-glp-1-dose.md): It depends on the medication. The US labels say to take a missed Ozempic dose within 5 days, a missed Zepbound or Mounjaro dose within 4 days, and a missed Wegovy injection only if the next dose is more than 2 days away; otherwise skip it. Missed daily semaglutide pills are skipped. Never double up, and confirm with your prescriber or pharmacist. - [GLP-1 Side Effects Timeline: Week by Week, How Long They Last and When to Call](https://glpcalendar.app/blog/glp-1-side-effects-timeline.md): Most GLP-1 side effects are digestive and cluster in the first weeks and after each dose increase. In pooled semaglutide trials, a nausea episode lasted a median of 8 days, diarrhea 3 days and vomiting 2 days, while constipation lasted a median of 47 days. First-time stomach symptoms leveled off after about week 20. Severe belly pain that will not go away needs prompt medical care. - [GLP-1 Half-Life Chart: How Long Semaglutide, Tirzepatide and Others Stay in Your Body](https://glpcalendar.app/blog/glp-1-half-life.md): Semaglutide (Ozempic, Wegovy, Rybelsus) has a half-life of about 1 week, and the Wegovy label says it stays in the circulation for about 5 to 7 weeks after the last dose. Tirzepatide (Mounjaro, Zepbound) has a half-life of about 5 to 6 days, so it takes roughly 4 weeks to clear by the usual five-half-life rule. Daily drugs such as liraglutide and orforglipron clear much faster. - [Protein, Fiber and Water on a GLP-1: How Much You Need on Ozempic or Zepbound](https://glpcalendar.app/blog/glp-1-protein-fiber-water.md): Most expert guidance for people losing weight on a GLP-1 lands on about 1.2–1.6 g of protein per kg of body weight a day (or roughly 80–120 g), about 21–25 g of fiber for women and 30–38 g for men, and at least 2–3 liters of fluid. Pair protein with strength training. A clinician or dietitian should personalize these ranges. - [Where to Inject Ozempic, Wegovy and Zepbound, and How Long Pens Last Out of the Fridge](https://glpcalendar.app/blog/glp-1-injection-sites-and-storage.md): Inject under the skin of the abdomen (at least 2 inches from the belly button), thigh or upper arm, using a new spot each time; for Zepbound and Mounjaro, someone else should inject the back of the upper arm. At up to 86°F, US labels allow 28 days out of the fridge for Wegovy single-dose pens and 21 days for Zepbound single-dose pens. Never use a frozen pen. - [Supplements and Lab Tests on a GLP-1: Which Vitamins Help, What to Skip, What to Check](https://glpcalendar.app/blog/supplements-and-labs-on-glp-1.md): Most people on a GLP-1 do not need a long supplement list. Guidelines back targeted help: a protein shake if you regularly miss protein, a fiber supplement for constipation, a multivitamin if you eat under about 1,200 kcal a day or meet other ADA criteria, and vitamin D, B12 or iron when your situation or labs call for it. Tell your lab about high-dose biotin. ## Medication trackers One page per medication with the rules from its US label and how GLP Calendar tracks it. - [Zepbound tracker](https://glpcalendar.app/zepbound-tracker): Track Zepbound (tirzepatide) shots on iPhone: the label's 4-day missed-dose window, site rotation, pen and vial storage limits, side effects by dose step. - [Mounjaro tracker](https://glpcalendar.app/mounjaro-tracker): Track Mounjaro (tirzepatide) on iPhone: weekly shot reminders, the 4-day missed-dose window, site rotation, glucose and HbA1c labs next to your dose steps. - [Wegovy tracker](https://glpcalendar.app/wegovy-tracker): Track Wegovy (semaglutide) shots on iPhone: 16-week dose steps, the label's missed-dose rule, site rotation, side effects by dose step and weight as a percent. - [Wegovy pill tracker](https://glpcalendar.app/wegovy-pill-tracker): Track the Wegovy pill (oral semaglutide) on iPhone: a daily reminder, the label's 30-minute wait before food or other pills, and supplements that unlock after. - [Ozempic tracker](https://glpcalendar.app/ozempic-tracker): Track Ozempic (semaglutide) on iPhone: weekly reminders, the label's 5-day missed-dose window, pen use limits, site rotation and glucose labs by dose step. - [Foundayo tracker](https://glpcalendar.app/foundayo-tracker): Track Foundayo (orforglipron) on iPhone: a daily reminder, 30-day dose steps from 0.8 to 17.2 mg, the missed-dose rule and the birth-control backup window. - [Saxenda tracker](https://glpcalendar.app/saxenda-tracker): Track Saxenda (liraglutide) on iPhone: daily injection reminders, the weekly steps from 0.6 to 3 mg, the 3-day restart rule and site rotation within a region. - [Trulicity tracker](https://glpcalendar.app/trulicity-tracker): Track Trulicity (dulaglutide) on iPhone: weekly reminders, dose steps from 0.75 to 4.5 mg, the 3-day missed-dose rule, 14-day storage limit and glucose labs. ## FAQ - What is GLP Calendar? GLP Calendar is an iPhone app for people taking GLP-1 medications such as semaglutide (Wegovy, Ozempic) and tirzepatide (Zepbound, Mounjaro). It logs weekly shots and daily pills, reminds you on shot day, suggests the next injection site, tracks side effects, weight, protein, water and fiber, and keeps your supplements, lab results and a doctor-ready report in the same place. - Which medications can I track? Zepbound, Mounjaro, Wegovy, Ozempic, the Wegovy pill, Foundayo, Saxenda and Trulicity, plus compounded prescriptions entered exactly as your pharmacy's label states them. If you haven't started yet, you can set up your first dose and reminders ahead of time. - Does GLP Calendar tell me what dose to take? No. GLP Calendar records the dose your prescriber ordered and shows information from the medication's label, such as the missed-dose window. It never suggests, calculates or changes a dose, and neither does the assistant. Talk to your prescriber about any change. - Is GLP Calendar free? The core tracker is free: shot and pill logging, reminders, injection-site rotation, weight, check-ins, daily targets and your supplement schedule. An optional Plus subscription adds medication-level and side-effect insights, the doctor-ready PDF report, lab scanning and the AI assistant. - What is the estimated medication level chart? It is an educational estimate of how much medication is in your body across the week, modeled from published population data for your medication. It is not a lab value, it varies from person to person, and it should never be used to change a dose or schedule. - Does it work for the Wegovy pill and Foundayo? Yes. Daily pills get a daily reminder. For the Wegovy pill, GLP Calendar counts down the 30-minute wait the label asks for before food, drinks or other oral medicines, then unlocks your morning supplements. - Can I track supplements and lab results too? Yes. GLP Calendar grew out of a supplement and lab tracker, so vitamins, electrolytes and fiber sit on the same schedule as your medication, and lab results such as glucose, HbA1c, lipids, vitamin D, B12 and ferritin are shown next to your dose steps. - Is my health data private? Your logs are stored on your iPhone by default and only sync if you turn sync on. We don't sell your data or use your health data for advertising. You can export or delete it at any time. - When can I get it? Now, on the App Store for iPhone. GLP Calendar comes as one app with Vitamin Tracker, our supplement and lab tracker. - Is GLP Calendar affiliated with Novo Nordisk or Eli Lilly? No. GLP Calendar is an independent app made by BALANCED LLC. Medication names are trademarks of their owners and are used only to identify the medicines you can track. ## Optional - [All guides in one file](https://glpcalendar.app/llms-full.txt) - [Guides index](https://glpcalendar.app/blog) - [About GLP Calendar and the editorial team](https://glpcalendar.app/about) - [Editorial policy](https://glpcalendar.app/editorial-policy) - [Privacy policy](https://glpcalendar.app/privacy) - [Terms of service](https://glpcalendar.app/terms) - [RSS feed](https://glpcalendar.app/blog/rss.xml)