Question

Which supplement can lead to a decline in performance and may be ineffective in raising hemoglobin concentrations?

Answer 1

Answer:

C. Iron

Explanation:

Answer 2

Iron supplements may be used in treating anemia and is commonly used by athletes. However, the kind of anemia that athletes experience is a little different because it tends to be exercise-induced due to their heavy training. In this case, iron may be ineffective in raising hemoglobin concentrations because of the exercise-induced decrease in iron absorption.