Eliminate endurance barriers - Eliminates "heavy legs" - Prolongs endurance - Fights everyday fatigue BENEFITS: Anti-Fatigue Caps is truly a "there's nothing else like it anywhere" supplement, one that greatly extends endurance by effectively neutralizing the fatigue-causing effects of ammonia build-up, often referred to as "the endurance athlete's worst enemy." Three well-known ammonia-scavenging compounds make up this unique formula, helping to prevent the dreaded "heavy" legs sensation and extend energy output. - Kosher Certification - Anti-Fatigue Caps is certified by Informed Choice and Informed Sport.