1. First please try to toggle the "Connect to Apple Health" OFF and then ON again.
  2. Then go to iOS settings > Health > Data > Data Access & Devices > Innotech. Make sure the button says "Turn all categories off" and "allow innotech to write data" is turned on for all four items: body fat percentage, bmi, height, weight.
  3. Then take a new measurement. Once done, go to Apple Heath app and check is data synced. Give it about 1-2 minutes for data sync to complete.