Why We Love It If you want a pre-workout that actually sharpens your focus while delivering steady, reliable energy, this one hits the mark. Thorne's Advanced Pre Workout provides a clean supply or energy without the rollercoaster, plus that noticeable “switched on” feeling. Ideal for early mornings, big sessions, or when fatigue starts creeping in mid-block. Talk Nerdy To Me Each serve delivers 5g of L-citrulline to support nitric oxide production and blood flow, paired with 3.2g of beta-alanine to help buffer muscle acidity and delay fatigue. The 600mg dose of Alpha-GPC supports acetylcholine production, which plays a key role in focus and neuromuscular performance. You also get 200mg of naturally derived caffeine balanced with 200mg of L-theanine, helping smooth out stimulation while maintaining alertness. Added B6 and B12 support energy metabolism, making this a well-rounded pre-workout for endurance athletes pushing volume and intensity. Fast Facts - 5g L-citrulline, 3.2g beta-alanine, 200mg caffeine & 600mg Alpha-GPC per serve - Delivers steady energy - Enhances blood flow & delays fatigue - 20 servings per tub - No artificial sweeteners