Which of the Following Is True About the Vitamin and Mineral

Which of the following is true about the vitamin and mineral intake of athletes?

A) Most athletes do not consume enough supplements.
B) Most athletes should take iron supplements to enhance their aerobic capacity.
C) Most athletes should take antioxidant supplements to reduce muscle damage caused by workouts.
D) Most athletes obtain ample vitamins and minerals through whole foods if they meet their caloric needs.