Sources we use
We use the current FDA labels for Zepbound and Mounjaro (checked against DailyMed and Drugs@FDA), peer-reviewed trial papers (NEJM, The Lancet, JAMA), ClinicalTrials.gov, FDA press releases, warning letters and drug-safety pages, and Eli Lilly press releases and price pages. We do not use pharmacies, compounders, telehealth sites, forums or social media as sources of fact, and we label which estimand a weight-loss figure uses.
How calculators are checked
Every calculator uses published, standard formulas. The code is covered by automated tests that check known answers (for example, a 10 mg multi-dose vial holds 2.4 mL, so a 2.5 mg dose is 0.6 mL, or 60 units on a U-100 syringe). We show the formula next to each tool so anyone can verify the result by hand.
What we will not publish
- Personal dosing advice, "protocols", microdosing schedules or conversions between different drugs.
- Links to, reviews of, coupons for, or discount codes from sellers, compounders or telehealth services.
- Prices that the manufacturer has not published.
- Claims we cannot support with a source.
Updates and corrections
Each page shows the date it was last updated. When the FDA updates the Zepbound or Mounjaro label, a new trial is published, or Lilly changes its published prices, we update the affected pages and their dates. If you find an error, tell us through the contact page and we will review it and correct it.