My go to supplement routine to stay locked in for summer Pre workout: I always start with Oxyshred, it's my fav for that clean energy and focus before training. My top flavors are NOW Foods Acetyl L Carnitine, Cognitive Support, Vegetarian Supplement, 500 mg, 100 Capsules Walmart.com EHP Labs OxyShred Non Stimulant Pre Workout Powder Stim Free Pre Workout, Caffeine Free Preworkout for Men & Women with L Glutamine & Acetyl L Carnitine Apple, 60 Servings in EHP Labs OxyShred Non Stimulant Pre Workout Powder Stim Free Pre Workout Caffeine Free Preworkout for Acetyl l carnitine 500mg 60 Capsules Collaborative Natural Health Partners