What Effect Does Taking Vitamin and Mineral Supplements Prior to Competition

Multiple Choice

What effect does taking vitamin and mineral supplements prior to competition have on a well-nourished athlete's performance?

A) insignificant; there's little time to be combined with appropriate substances
B) improves performance; athletes tend to be deficient in vitamins and minerals
C) inhibits energy usage; supplements are difficult to digest during activity
D) enhances endurance; vitamins have enough time to activate