Frequently asked questions

Zest is a peptide tracking app for protocols, reminders, inventory, and history. It keeps the routine you already have organized. It does not recommend what to take or how much.

Download the app and try the reconstitution calculator — no account required for that. Create an account when you want to save a preparation, build a protocol, and keep your history.

Yes. Zest Free is $0. Upgrade to Zest Plus or Zest Family when you want more protocols, history, or a household.

Zest is offered for iOS and Android. Download it from the App Store or Google Play.

You log each dose against the protocol you set. Zest keeps the schedule, reminders, and history. It does not tell you what to take or how to catch up.

Free includes one active protocol. Zest Plus and Zest Family include unlimited protocols.

Mark it missed or skipped. Zest keeps the record so you can see what happened. It does not advise you on whether to take another dose.

Choose Zest Plus or Zest Family on the pricing page, or upgrade from billing settings in the app.

Yes. Cancel from billing settings. Access continues through the period you have already paid.

Yes. Zest Family is available on annual billing and includes five family members (you and four invited members) on one subscription.

It stays yours. We do not sell it, advertise against it, or use your protocol records to train models. The Privacy Policy and Consumer Health Data notice describe what we hold and your rights.

Yes. You can export or delete your data from account settings, and you can send a rights request from the Consumer Health Data page.

No. We do not sell your health data.