Here's how to view / enter / edit health info (e.g., nutrition, sleep, vitals, etc.) to the Health app on your iPhone.
The Health app gives an easy-to-read dashboard of your health and fitness data.
The Health app requires iOS 8 or later on an iPhone 4S or later.
From the Home screen, tap
Health
.
Tap
Health Data
.
Tap the health data type then view, enter or select the appropriate health data into the applicable fields.
All
Access all the health data types on one screen.
Body Measurements
Fitness
Me
Nutrition
Reproductive Health
Results
Sleep
Vitals
