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 Amazon.com: EHP Labs Acetyl L Carnitine Powder Supports Natural Energy Production, Assists in Healthy Brain Function, Supports Heart Health, Vegan, Gluten Free, Non GMO 100 Servings : Health & Household Nutrex Research Liquid L Carnitine 3000 Strawberry Liberia Ubuy Customer reviews for EHP LABS OxyShred Pre Workout Powder with L Glutamine & Acetyl L Carnitine, Energy Boost Drink Cosmic Blast, 33 Servings Walmart.com