Hi gdreyv,
Some articles we found which talk about deleting information from the health app:
Manage Health data on your iPhone, iPod touch, or Apple Watch - Apple Support
Delete information that you entered
If you entered incorrect details when manually adding health information, you can delete the record.
1. Open the Health app and tap the Browse tab.
2. Tap a category, like Activity.
3. Tap a subcategory, like Steps.
4. Tap Show All Data, then tap Edit in the upper-right corner.
5. Tap the Delete button next to the record you want to delete. You can also tap Delete All to delete every record.
View health records on your iPhone or iPod touch - Apple Support
Remove a health record
1. Open the Health app and tap the Summary tab.
2. Tap your profile picture in the upper-right corner.
3. Under Features, tap Health Records.
4. Tap the provider that you want to remove.
5. Tap Remove Account.
6. To confirm, tap Remove Account & Delete Data.
This also deletes the account and data from other devices where you're signed in to iCloud with the same Apple ID.
If you're not seeing how to delete a particular type of data, we'd suggest contacting apple Support:
Apple Support
Take care!