In my opinion, the best answer among the choices listed is option B. Bioflavonoids are naturally occurring plant chemicals. From, the name "bio", these substances most likely comes from living organisms. Flavonoids that come from living organisms. Bioflavonoids are found in the rind of green citrus fruits and in rose hips.
Body composition evaluates the breakdown of fat and fat free mass. Body Mass Index or BMI is the measure of one's body fat based on only one's height and weight.