GLP-1 guides
Practical, source-backed guides for every stage of a GLP-1 — written in plain words, checked against the prescribing information.
Trackers by medication
Dose routines, reminders and what to log for each GLP-1 medication.
- Ozempic TrackerTrack your weekly Ozempic (semaglutide) shots, dose steps, injection sites and side effects in one place with Holt, the calm GLP-1 tracker for iPhone.
- Wegovy TrackerA calm way to track weekly Wegovy injections, the 4-week dose steps, injection sites and how you feel, with the label's missed-dose rules in plain words.
- Wegovy Pill TrackerTrack the once-daily Wegovy pill — empty-stomach mornings, up to 4 oz of water, the 30-minute wait and 30-day dose steps — with the label's rules in plain words.
- Mounjaro TrackerA calm way to log weekly Mounjaro shots for type 2 diabetes — dose steps, the 4-day missed-dose window, injection sites and side effects, all on your iPhone.
- Zepbound TrackerTrack weekly Zepbound shots for weight management or sleep apnea — which pen or vial you use, dose steps, storage days and side effects, in one calm iPhone log.
- Semaglutide TrackerHow to track semaglutide whether it comes as a weekly pen, a daily tablet or a compounded vial — what each one's rules ask you to log, and why units aren't mg.
GLP-1 tracking
How to track doses, food, side effects and progress — and what to look for in a tracker.
- GLP-1 Tracker AppHolt is a GLP-1 tracker app for iPhone. Log shots and pills, meals, protein, side effects, weight and water, and see how your dose day shapes your week.
- GLP-1 Shot TrackerA GLP-1 shot tracker for iPhone that logs each weekly dose, rotates injection sites, reminds you on shot day and lines up side effects with dose days.
- GLP-1 Food TrackerA GLP-1 food tracker that logs meals from a photo, estimates calories and protein, and shows how what you ate lines up with shot days and side effects.
- GLP-1 Injection SitesWhere to inject a GLP-1 like Wegovy or Zepbound, what the labels say about rotating sites, and a simple way to keep track of where you injected last.
- Free GLP-1 TrackerLooking for a free GLP-1 tracker? Holt is free to download on iPhone with an optional subscription. Here's what to expect, and how to track for free.
- GLP-1 Dose TrackerA GLP-1 dose tracker for iPhone that records every dose's strength and site, and shows your escalation history and adherence in one place.
Your GLP-1 journey
First month, dose steps, and GLP-1s alongside PCOS, perimenopause, menopause and postpartum life.
- First-Month GuideWhat the first four weeks on Ozempic, Wegovy, Mounjaro or Zepbound tend to look like, week by week, and what to sort out before your first dose step.
- Moving Up a DoseWhy GLP-1 doses start low and step up every few weeks, what the Wegovy and Zepbound labels say about escalation, and what to note in the days after each step.
- GLP-1 for PCOSGLP-1 medications aren't approved to treat PCOS. Here's what trials and guidelines say about weight and metabolic effects, what's still unknown, and what to track.
- GLP-1 and MenopauseGLP-1s don't treat menopause, but many people start one around midlife. What the labels and research say about weight, muscle, bone and hormone therapy.
- GLP-1 and PerimenopauseStarting a GLP-1 while still having periods in your 40s? What the labels say about pregnancy and the pill, which bleeding to report, and how to tell symptoms apart.
- GLP-1 PostpartumThinking about a GLP-1 after having a baby? What the labels say about pregnancy, breastfeeding and birth control, and what small milk studies found.
Comparisons
How GLP-1 medications differ, and what to know when your prescriber switches you.
- Ozempic vs WegovyOzempic and Wegovy both contain semaglutide. Compare their approved uses, dose schedules, maximum doses and the Wegovy pill, based on FDA labeling.
- Semaglutide vs TirzepatideSemaglutide vs tirzepatide — one hormone target or two, the brands behind each, and what the SURPASS-2 and SURMOUNT-5 head-to-head trials found.
- Mounjaro vs OzempicMounjaro vs Ozempic for type 2 diabetes — what each is approved for, how the dose steps and pens differ, and what the SURPASS-2 head-to-head trial found for HbA1c.
- Wegovy vs ZepboundWegovy vs Zepbound for weight management — how their approvals, dose schedules, pens, vials and tablets differ, and what the SURMOUNT-5 head-to-head trial found.
- Foundayo vs ZepboundFoundayo vs Zepbound — how Lilly's daily orforglipron pill and weekly tirzepatide shot differ in approvals, routine, storage, side effects and label trial results.
- Foundayo vs TirzepatideFoundayo (orforglipron) vs tirzepatide (Mounjaro, Zepbound) — how the molecules work, trial results with type 2 diabetes, and what ATTAIN-MAINTAIN found.
Side effect guides
What’s common, what’s serious and what to track for each GLP-1 medication.
- GLP-1 Side EffectsThe most common GLP-1 side effects for semaglutide and tirzepatide, when they tend to appear, which warning signs need a doctor, and how tracking helps.
- Ozempic Side EffectsWhat the Ozempic label says about side effects in type 2 diabetes — stomach symptoms by dose, low blood sugar with insulin or sulfonylureas, eyes, and when to call.
- Wegovy Side EffectsWegovy side effects at the 2.4 mg maintenance dose — stomach symptoms, fatigue, hair loss, skin sensations, gallbladder and heart rate — from the FDA label.
- Mounjaro Side EffectsMounjaro side effects for people with type 2 diabetes — how common nausea and diarrhea were in trials, low blood sugar with insulin, eye checks and when to get help.
- Zepbound Side EffectsZepbound side effects from the weight-management and sleep apnea trials — how often nausea, hair loss and fatigue came up, what eases with time and when to get help.
- Semaglutide Side EffectsSemaglutide side effects across Ozempic, Wegovy, Rybelsus and compounded vials — what's shared, what differs between pill and shot, and FDA's dosing-error warning.
Alternatives
How Holt compares with other GLP-1 trackers and calorie apps.
- Best GLP-1 Tracker AppsThe best GLP-1 tracker apps for 2026, compared. Why Holt is our top pick for iPhone, and where MeAgain, Shotsy, Glapp and MyFitnessPal fit instead.
- MeAgain AlternativeLooking for a MeAgain alternative? Holt lines up doses, meal photos and side effects on one timeline, with a doctor-visit report and 15 languages.
- Shotsy AlternativeLooking for a Shotsy alternative? Holt adds a five-nutrient meal photo scan, severity-rated side effects and a doctor-visit report to your shot log.
- Phaze AlternativeLooking for a Phaze alternative? Holt lines up meal photos and side effects with your dose days, suggests your next injection site and speaks 15 languages.
- Glapp AlternativeLooking for a Glapp alternative? Holt adds a five-nutrient meal photo scan, side effects against your dose days and a doctor-visit PDF, in 15 languages.
- Pep AlternativeLooking for a Pep AI alternative? Holt is a GLP-1 tracker in 15 languages, free to download, with a doctor-visit PDF and a suggested next injection site.
Free tools
One calm place for your whole GLP-1 journey
Download Holt and let Otto keep you company — one dose, one meal, one good day at a time.
