Why do athletes take antioxidant supplements, and what concerns ...

[Bernana]

Why do athletes take antioxidant supplements, and what concerns do experts have about them?

Question 2

Lactate buildup in working muscles:
 a. raises blood pH.
 b. indicates that anaerobic breakdown of glucose has occurred.
  c. produces a large amount of energy to be used by the muscles.
  d. causes muscle fatigue.
 e. is converted to glucose in the muscle.

[iman]

Answer to Question 1

Aerobic exercise uses a lot of oxygen and speeds up metabolism, potentially producing more free radicals. Antioxidant supplements are thought to reduce the levels of damaging free radicals formed during athletic events. Studies suggest that free radical formation may stimulate the body's beneficial responses to physical activity. Antioxidant supplements may block or suppress the body's beneficial responses to exercise.

Answer to Question 2

b