PERQUE Endura / PAK Guard™
Result: Safely increases glutamine in the brain, muscle and gut for significantly better energy production throughout the body.
Benefit: Improves digestive health, increases stamina, and sharpens mental clarity.
Fact: Patented recycled glutamine formula prevents build-up of glutamate, a powerful excito-neurotoxin that damages nerves.
Patent number: 6,545,044