Frontiers L Theanine: A Unique Functional Amino Acid in Tea (Camellia sinensis L.) With Multiple Health Benefits and Food Applications The smart pre workout FULL CHURN features L Theanine to help super CALM and FOCUSED energy throughout your workout! L theanine in your pre workout helps to enhance mental clarity, reduce stress, and balance Applied Nutrition CLA L Carnitine Green Tea Softgels 100 Landys Chemist Amino acids L Tyrosine is the raw building block for your dopamine. It is the material your brain needs to manufacture focus. Without it, you are trying to build a bridge with no