1. l-Theanine inhibits melanoma cell growth and migration via regulating expression of the clock gene BMAL1
   Ruyi Zhang et al, 2022, European Journal of Nutrition CrossRef
2. L-Theanine: A Unique Functional Amino Acid in Tea (Camellia sinensis L.) With Multiple Health Benefits and Food Applications
   Ming-Yue Li et al, 2022, Frontiers in Nutrition CrossRef