THORNE Advanced Pre-Workout, Alpha GPC, Amino Acids & Caffeine, 20 Servings | Supports Energy, Endurance, Power Output, Pump & Focus*, Naturally Derived Caffeine, Rainbow Sherbet, NSF Certified for Sport

Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners). NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations. Sustained Energy: Enhances blood flow to contribute to a greater “pump,” while reducing perceived time-to exhaustion and limiting jittery feelings and crashes normally associated with pre-workout supplements*. Mind-Muscle Connection: Creates a relaxed yet alert state of mind to help promote concentration, focus, and mental clarity and support power output, physical endurance, and overall recovery*. Optimized Performance: Provides science-backed amounts of alpha-GPC, beta-alanine, L-citrulline, L-theanine, and natural caffeine derived from coffee beans to deliver noticeable benefits in workout performance*.