It depends upon how active he is. If he is working out every day or on a sports team, he should be eating 50-80 grams of different kinds of protein.
If he is open to taking a supplement Syntha-6 made my BSN is an excellent long release protein that is 200 calories per serving, and has 20 grams of protein.
About 50 to 60 grams of protein.
more or lsess - no idea
13 year-olds should have about 34 g protein each day, and 14 to 18 year-olds, about 46 g
50 - 60
The protein requirements of 15 year old girl can be aptly filled through the ingestion of a piece of meat anywhere from 6-10 inches long, with a cross-sectional radius of 5-6 inches. Dark meat is usually larger, with a higher protein content upon fluid dispersion.
The weight of a 16-year-old girl depends on her height and build.
There is much more than age that is calculated into how much protein someone needs. It is best to talk to a dietitian about it if you have medical problem. My guess would be 80-120.
An 11 year old girl should wiegh around 110lbs-125lbs A 5'4 11 year old girl should weigh around 108lbs-130lbs
A Ten year old girl should weigh about 70 to 80 pounds.
Average weight for a 13 year old girl is 28 to 74 kgs.
1g/kg
50 grams