Straight answers about GLP-1 medications, sources included.
Where semaglutide, tirzepatide and retatrutide stand with regulators, what the labels say about doses and storage, how side effects usually unfold, and what to eat, supplement and test along the way. Every guide cites FDA, EMA and Health Canada documents or the original trials.
Semaglutide vs Tirzepatide vs Retatrutide: Approval Status, Results and Side Effects
Semaglutide vs tirzepatide vs retatrutide in 2026: approval status at the FDA, Health Canada and EMA, how each drug works, trial weight loss and side effects.
PipelineRetatrutide Explained: Trial Results, Side Effects and Approval Timeline
Retatrutide, Lilly's GIP, GLP-1 and glucagon triple agonist: phase 2 and TRIUMPH results, side effects, FDA filing plans and how it compares with tirzepatide.
Medication guideGLP-1 Medications List 2026: Every Approved Shot and Pill, Plus What's Coming
GLP-1 medications list for 2026: every FDA-approved GLP-1 drug with brands, forms and uses, the new GLP-1 pills, generics, and the drugs still in trials.
Medication guideSemaglutide Explained: Ozempic vs Wegovy vs Rybelsus, the Wegovy Pill and Label Doses
Semaglutide explained: how Ozempic, Wegovy, Rybelsus and the Wegovy pill differ, US label dose steps, trial results, side effects and generic status in 2026.
Medication guideTirzepatide Explained: Mounjaro vs Zepbound, Label Doses and Results
What tirzepatide is, how Mounjaro and Zepbound differ, the dose steps on the US label, trial results, side effects, and what changed in 2026.
App comparisonBest GLP-1 Tracker Apps in 2026: Free Options and How to Choose
Best GLP-1 tracker apps in 2026 compared: free options from MyFitnessPal, Noom, Lilly and Novo Nordisk, dedicated trackers, listed prices and how to choose.
RegulationCompounded Semaglutide and Tirzepatide in 2026: Legal Status and Research Peptides
Compounded semaglutide and tirzepatide in 2026: what is still legal, why salt forms are different drugs, how dosing errors happen and research peptide risks.
Label rulesMissed a GLP-1 Dose? What the Labels Say for Ozempic, Wegovy, Zepbound and Mounjaro
What to do after a missed Ozempic, Wegovy, Zepbound or Mounjaro dose: each US label's time window, rules for several missed doses, and changing your shot day.
Side effectsGLP-1 Side Effects Timeline: Week by Week, How Long They Last and When to Call
A GLP-1 side effects timeline built from US labels and trials: how common nausea is, how long it lasts, what dose increases change and when to call a doctor.
PharmacologyGLP-1 Half-Life Chart: How Long Semaglutide, Tirzepatide and Others Stay in Your Body
Semaglutide's half-life is about 1 week and tirzepatide's about 5 days. A GLP-1 half-life chart from US labels: how long each drug stays and why it matters.
NutritionProtein, Fiber and Water on a GLP-1: How Much You Need on Ozempic or Zepbound
How much protein, fiber and water to aim for on Ozempic, Wegovy or Zepbound: guideline ranges, muscle-loss data, constipation tips and label fluid rules.
Label rulesWhere to Inject Ozempic, Wegovy and Zepbound, and How Long Pens Last Out of the Fridge
Where to inject Ozempic, Wegovy, Zepbound and Mounjaro, how to rotate sites, and how long each pen can stay out of the fridge, according to the US labels.
Labs & supplementsSupplements and Lab Tests on a GLP-1: Which Vitamins Help, What to Skip, What to Check
Which vitamins and supplements have evidence on Ozempic, Wegovy or Zepbound, why high-dose biotin can skew blood tests, and which lab tests guidelines suggest.