1. Which of the following are required components of antioxidant enzyme systems?
Antioxidant minerals
Antioxidant vitamins
Phytochemicals
Gastrointestinal microflora
2. Which of the following diseases has been linked to free radical damage?
Cancer
Heart disease
Diabetes
All of these
3. Which water-soluble vitamin can regenerate Vitamin E after it has been oxidized?
Vitamin D
Vitamin B12
Vitamin C
Folate