Protein supplements became very popular, almost essential, among athletes and bodybuilders. They can also be found in baby formulas, nutrition shake for the elderly and weight-loss supplements as an appetite suppressor.
It is important to understand that protein is a macro-nutrient (like carbohydrate and fat) that provides calories to your body, in other words energy. Essentially, the main role of this macro-nutrient is to build and to repair tissues of the body (muscles, bones, skin, etc.).
According to U.S government, recommended Daily Allowance (RDA) of protein for men and women is :
- 0,8 gram (g) per kilogram (kg) of ideal body weight for the adult (not very active);
- 1 g/kg of ideal body weight for an active adult;
- 1,2 to 1,4 g/kg of ideal body weight for endurance athlete;
- 1,4 to 1,7 g/kg of ideal body weight for strength and power athlete;
- And around 1,3 g/kg of…
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