Final answer:
The most optimal protein prescription for someone engaging in light aerobic exercises 2-3 days per week is 0.8 g/kg body weight, which helps maintain and repair tissues without excess, considering lighter exercise intensity and frequency.
Step-by-step explanation:
The optimal protein prescription for an individual engaged in light aerobic exercise 2-3 days per week is 0.8 g/kg body weight. This amount is appropriate for non-athletes or casual exercisers to maintain and repair tissues without the need for excess protein that might be required by those in a more intense exercise program. Protein needs increase with the intensity and frequency of exercise. However, since the exercise described is light and not daily, the lower end of the protein scale is sufficient.
For moderate exercise programs, which may include about 1 hour per day of exercise, or for those participating in an endurance program with 1-3 hours per day of moderate to high-intensity exercise, the protein needs can range from 1.2 to 2.0 g/kg/day to support the body's functions and metabolic reactions. It's important to balance protein intake with other dietary needs, ensuring the consumption of carbohydrates and fats for overall nutrition and energy. Overall, athletes should aim for a diet that includes a mixture of proteins, carbohydrates, and fats to support their training and metabolic needs while also ensuring proper hydration.