The useful parts of tracking a GLP-1 or peptide protocol, pulled out of the app and put on the open web. Use them as much as you want.
Vial size, bacteriostatic water, and dose in. Concentration, volume per injection, and U-100 syringe units out. Works for any peptide, including compounded GLP-1 medications.
Open the calculator →Retatrutide-specific: 10/12/20 mg vial presets, a reconstitution chart, and how much BAC water for a 10 mg vial. Dosage-chart reference included.
Open the retatrutide calculator →Compounded tirzepatide vials (10/20/30/60 mg) with a printable reconstitution chart and how to reconstitute tirzepatide.
Open the tirzepatide calculator →Compounded semaglutide vials (5/10 mg) with a reconstitution chart and how to reconstitute semaglutide. Built for small, precise doses.
Open the semaglutide calculator →For Wolverine, GLOW, KLOW, or any multi-peptide vial: enter your label and the units you draw, see the mg of each peptide in every injection. Recipes vary by vendor; this uses yours.
Open the blend calculator →How long does semaglutide, tirzepatide, or retatrutide stay in your system? A decay curve and time to near-complete clearance from published half-lives.
Open the half-life calculator →What the pivotal trials averaged, applied to your starting weight, milestone by milestone. Semaglutide, tirzepatide, retatrutide. Trial averages, not a prediction.
Open the weight loss calculator →Turn progress photos into a clean side-by-side collage with weight labels, ready to share. Photos never leave your browser.
Make a collage →
WeightSnap