Mark is a college student who has been lifting weights at the student recreation

Question

Mark is a college student who has been lifting weights at the student recreation center. Mark’s weight has been stable at 154 lbs. An analysis of the total energy and protein content of his current diet is 3,000 kcal, including 125 g of protein. Mark’s trainer recommends a protein drink to help him build muscle mass. Mark's trainer tells him to purchase Dynamic Muscle Builder protein powder mix and take it 2x a day. The mix has 100kcal and 10 g protein per serving.

1.With the added two servings of protein mix, how does Mark’s intake compare to the AMDR?

2.With the added two servings of protein mix, how does Mark’s intake compare to his protein RDA?

3.Based on the answers to the preceding questions, what advice would you give Mark?

(With calculations please and state it like this: Marks intake... AMDR/RDA...)

Explanation / Answer

1. AMDR- ACCEPTABLE MACRONURIENT DISTRIBUTION RANGE, for protein it is the percentage of your total calorie intake that should come from protein each day. it ranges from 10-35%.

in the case of MARK daily calorie intake= 3000.

total protein intake= 125+ (10*2)=-125+20=145, as he taking protein powder which contain 10 gm protein for 2 times each day.

so total calorie gain from it= 145*4=580k cal.( as 1gm protein give 4kcal).

so protein AMDR value is= 580/3000*100%= 19.33%.

2. RDA - IN case of protein it is the amount of protein you need to meet your basic nutritional protein requirement.

weight of MARK IS 154lbs.

RDA of protein= weight*0.36 = 154*0.36= 55.44 kcal.

he getting total protein from food and supplement is 580cal. so it is more then the requirement.

3. protein is not stored in our body but is utilized for various functions most of which build up the body muscle mass. in case of MARK as he following proper diet and taking supplement he fullfiling his AMDR, RDA protein value. and the extra protein help him to build the body muscle mass.

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