IDLA Lifetime Fitness Practice Exam 2025 – Complete Study Guide

Nutrition plays a crucial role in supporting an individual's fitness regimen by fueling the body and promoting overall health. Adequate nutrition provides the necessary macronutrients—carbohydrates, proteins, and fats—as well as micronutrients—vitamins and minerals—that are essential for optimal performance in physical activities.

Carbohydrates serve as a primary energy source, especially during high-intensity exercise, while proteins are vital for muscle repair and growth after workouts. Healthy fats contribute to sustained energy levels during longer periods of activity and support hormone production. Furthermore, a well-rounded diet can enhance the immune system, reduce the risk of injury, and improve recovery times, leading to a more effective fitness routine.

This connection between nutrition and fitness underscores the importance of a balanced diet tailored to individual needs, enabling individuals to perform at their best and achieve their fitness goals.