Doctor's Best® rides the wave to relaxation with AlphaWave L-Theanine. Their highly purified, patented form of L-theanine is known for promoting calm with a state of relaxed wakefulness. Beyond addressing stress, it assumes a pivotal role in various cognitive processes, shaping alpha brain waves and contributing to attention, memory, and creativity. L-Theanine assumes a pivotal role in various cognitive processes, shaping alpha brain waves and contributing to attention, memory, and creativity.