Function: Promotes energy production Ingredients: L-Glutamine Directions: Two capsules once daily Delivery: Ships within 48 hours on weekdays Shelf life: Two years Supports six different indicators of brain function: focus, memory, learning, accuracy, concentration, and reasoning. Focus & Energy: In today's world of distractions and fatigue, being able to focus clearly on the most important tasks is more important than ever; no matter where you are, our formula will help you perform at your best throughout the day. A naturally occurring compound in the body that helps produce neurotransmitters that send signals to the brain. Caffeine-free nootropics and natural brain supplements - will help you stay alert, achieve higher levels of focus, and keep your brain sharp without the jitters, insomnia, and anxiety that caffeine brings. Expertly formulated: We carefully selected 40 ingredients, each with unique and powerful benefits, that work together to help you focus, enhance memory, and increase energy and clarity. TRUSTED FORMULA: Formulated and manufactured in the USA following strict cGMP guidelines; every batch is third-party lab-tested to ensure it meets our quality and purity standards.