How to Delete Health Data on iPhone (iOS 12 and Earlier)
Want to delete the Health app data from iPhone? Some users may decide they want to remove their Health data from iPhone for a variety of reasons, perhaps as a storage conservation mechanism if a user discovers the Health app data is taking up multiple gigabytes of storage on a device, or to clear out old health data, or to remove health data from another person (without clearing the entire phone, for example if you let someone take a jog wearing your Apple Watch), for privacy, among other purposes to to delete Health app data.
This article will show you how to delete data from the Health app on iPhone.