What is the need for Proteins, Carbohydrates and Fats?


VIEW:35 DATA:2021-09-01

This is an extremely difficult question! No international organization has answered exactly how much of these nutrients we need daily.
And many of them get into divergences, in their limits above and below. But what would that be?
The human being has variable systems of nutrient requirements. One individual may need more protein than another individual. Thus, there is no ideal value for all people. But humans can store nutrients in their bodies, or sometimes synthesize nutrients. What makes the human being can survive, even if they do not eat as recommended. But it is never good to be acting within the limits of the body. The ideal is to consume a little more nutrients than the body needs, and the excess can be excreted. Logically, for an accurate calculation a professional is needed.
But a healthy individual can live well by eating the right way, without the requirement of a professional nutritional calculation. Typically, an average of 2000 kilo calories per day is used. This is a convention. Some international organizations define the required percentage of nutrients. For example the World Health Organization recommends. 45 to 65% of your daily calories from carbohydrates, 20 to 35% from fat and 10 to 35% from protein.
In the United States and England system, we have the DRI, or Daily Reference Intake. In this case, there is a description by mass of food.
Energy: 2,000 kilocalories.
Total fat: less than 70 grams.
Saturated Fat: less than 20 grams.
Carbohydrate: 260 grams.
Total sugars: 90 grams.
Protein: 50 grams.
Salt: less than 6 grams.
See again we have the 2000 kilo calorie energy recommendation. And we have again that these are values ​​considered for the majority of the population. This block of information is complex for percentage analyses, as the values ​​are in total numbers.
The calculation of these values ​​as a daily recommendation must be analyzed in a healthy individual, noting what he feels best. Clearly, it should be seen that saturated fats, sugars, and salt should be kept to a minimum. And the rest must be observed the limit for the ideal weight, of the individual, taking into account their chromosomal contribution.
If we calculate the fat, we have that each gram of fat has 9 kilo calories, generating an amount of 2000 calories, in the range of 31% the World Health Organization determines between 10 and 35%, so we can use 31% that suits DRI. Carbohydrate and protein are 4 kilocalories per gram, generating 52 percent carbohydrate, which is in the World Health Organization's 45 to 65 percent range. So we're going to use 52 percent of the 2000 kilo calories. And proteins are in the range of 10 percent energy in protein, which is also accepted by the World Health Organization.
So we have 31% fat, 52 carbohydrate, and 10 protein. Based on the DRI and adjusting the values ​​of the World Health Organization. It must be understood that these values ​​are probable, a specific analysis needs a professional.



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Protein, carbohydrate, fat, daily needs, WHO, DRI, nutritional calculation