ISSA Study Guide 2026

New technology evaluation requires assessing multiple factors including functionality, reliability, security, cost-effectiveness, and fit with professional requirements.

Protein is a macronutrient composed of amino acids, which are the building blocks of tissues in the body. It is absolutely essential for muscle repair after exercise, promoting muscle growth (hypertrophy), and maintaining existing muscle mass. This makes it critical for athletes and individuals focused on strength and recovery.

Macronutrients are nutrients that the body needs in large amounts to provide energy and support bodily functions. Carbohydrates, along with proteins and fats, are primary macronutrients. They are essential for energy production, making them a crucial component of a balanced diet, unlike micronutrients like vitamins and minerals which are needed in smaller quantities.

Creatine monohydrate is the most extensively researched ergogenic supplement, reliably increasing phosphocreatine stores to support high-intensity, short-duration performance and muscle adaptations.

Fat is the macronutrient that provides the most calories per gram, yielding approximately 9 calories per gram. In contrast, carbohydrates and protein each provide about 4 calories per gram. This higher caloric density makes fat an efficient source of energy and an important component for energy storage in the body.

Maintaining digital competency requires continuous learning and adaptation as technology evolves in the ISSA profession.