As a general guideline, children should consumer about 0.5 grams of protein per lb of bodyweight per day. (blog.nkdnutrition.com)
The amount of protein a child should take depends on a number of factors, but an easy guideline to follow is that a child needs 0.5 grams of protein per lb of bodyweight. (blog.nkdnutrition.com)
Carbs on back - loading days range from 1 — 2g per lb of your bodyweight so for a 220 lb man — 220g - 440g carbs per back load. (theathleticbuild.com)