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Endurance athletes are particularly at risk for zinc deficiency primarily due to a combination of factors related to their training and dietary habits. These athletes often have high energy expenditures during prolonged physical activity, which can increase the need for various micronutrients, including zinc.

As they engage in consistent and intense training, endurance athletes may also have higher losses of zinc through sweat and urine. Additionally, their diets might not always be well-balanced or sufficient in zinc-rich foods, particularly if they are prioritizing carbohydrate intake for energy. Zinc is essential for various bodily functions, including immune support, protein synthesis, and recovery processes, making its availability crucial for athletes who undergo intense training.

In contrast, powerlifters and weightlifters may consume diets that are more concentrated in protein and varied in food sources, potentially increasing their zinc intake. Team sport athletes also may benefit from a more balanced diet due to their need for energy from various macronutrients. Overall, the risk factors for zinc deficiency are more pronounced in endurance athletes, making them the group of athletes most likely to experience this deficiency.