What does the term 'nutrient timing' refer to?

Nutrient timing refers to the scheduling of meals and nutrient intake in relation to physical activity, particularly around workouts. This concept is based on the idea that the timing of nutrient consumption can enhance performance, recovery, and adaptations to training.

When athletes or individuals engage in exercise, their body's metabolism and nutrient needs change, making it beneficial to strategically plan meal and snack times. For instance, consuming carbohydrates and protein before and after workouts can help maximize energy levels, promote muscle protein synthesis, and replenish glycogen stores. This strategy is particularly important for those involved in intense training or endurance sports.

Other options, while related to nutrition and dietary habits, do not capture the essence of nutrient timing. For example, timing of vitamin supplementation and the distribution of macronutrients throughout the day emphasize different aspects of nutrition rather than the critical relationship between nutrient intake and workout schedules. Similarly, the number of meals consumed each day does not directly address how the timing of those meals impacts athletic performance or recovery. Thus, the correct answer is that nutrient timing centers on the scheduling of meals around workouts.