Certified Personal Trainer (NSCA) Practice Exam 2025 – Complete Prep Guide

Fats are indeed essential for a balanced diet alongside carbohydrates and proteins. They provide a concentrated source of energy, which is crucial for various bodily functions. Fats are important for the absorption of fat-soluble vitamins (A, D, E, and K) and play a vital role in hormone production and cell membrane integrity. Including healthy fats, such as those from avocados, nuts, and olive oil, can also contribute to improved heart health and overall well-being.

While other components like minerals, fiber, and water are important for a balanced diet, they serve different roles. Minerals help with various physiological functions, including bone health and enzyme activity. Fiber is key for digestive health and maintaining a healthy weight but does not provide energy. Water is crucial for hydration and bodily functions but does not supply calories. Therefore, while all these elements are important for health, fats specifically play a critical role that complements carbohydrates and proteins in a balanced diet.