Peptyn
iOS · Private by design

Run your protocol like a pro.

Peptyn is the clean, private way to track peptides and GLP-1s. Exact mix math, one-tap dose logging, injection-site rotation, smart reminders, and vial inventory, all on your phone.

Your dose logs, protocols, and photos never leave your device. Peptyn is an educational tracking tool, not medical advice. 18+.

Free reconstitution calculator

No app needed for the math. Try the web mix calculator. Enter your vial size, water, and dose, and get the exact syringe units to draw.

Everything in one place