It’s responsible citizenship
It depends if you an athlete, if you workout, or if you do neither of those things. The average 16 year old that doesn't exercise regularly should consume anywhere from 150-350 grams of protein in a day.
An example of provitamin A is beta-carotene
D. beta-carotene
The Healthy Mediterranean-Style Pattern contains more fruits and seafood and less dairy than does the Healthy U.S.-Style Pattern.