Optimal performance intake refers to the number of micronutrients (vitamins and minerals) that are necessary to support optimal physical performance in athletes. These requirements may be higher than the Recommended Dietary Allowance (RDA) values, which are the daily intake levels that are sufficient to
meet the nutrient requirements of most healthy individuals.
The RDA values for micronutrients are typically based on the average daily nutrient intake that is sufficient to meet the nutrient requirements of about 97-98% of healthy individuals in a specific population. However, athletes have higher nutrient requirements due to their increased energy expenditure, greater muscle mass, and higher metabolic rates.
For example, endurance athletes may require higher levels of vitamins such as B1, B2, B6, and vitamin C, as well as minerals such as iron and zinc, due to the increased energy expenditure and oxidative stress associated with prolonged exercise. Similarly, strength athletes may require higher levels of protein, as
well as micronutrients such as calcium, magnesium, and vitamin D, to support muscle growth and repair.
Therefore, the optimal performance intake of micronutrients for athletes may exceed the RDA values, depending on the type, intensity, and duration of their exercise, as well as their individual nutritional status and dietary habits. It is important for athletes to work with a qualified sports dietitian to determine their specific nutrient requirements and develop a personalized nutrition plan to support their athletic performance and overall health.