Nutrition for Health, Fitness & Sport 10th Edition by Melvin Williams ,Dawn Anderson,Eric Rawson

Exercise 13

Supplementation with some amino acids has been theorized to decrease the formation of serotonin in the brain and possibly help delay the onset of central nervous system fatigue in prolonged aerobic endurance exercise. Which amino acids are theorized to do this?
A) leucine, isoleucine, and valine
B) arginine, ornithine, and inosine
C) tryptophan, arginine, and creatine
D) inosine, creatine, and alanine
E) asparagine, aspartic acid, and glutamine