L-Theanine

  1. Mental energy vs. physical energy (Nootropic Key Ideas)
  2. Short-term effects vs. long-term benefits (Nootropic Key Ideas)
  3. Synthetic vs. natural nootropics (Nootropic Key Ideas)
  4. Synergistic effects vs. additive effects (Nootropic Key Ideas)
  5. Acetylcholine vs. glutamate (Nootropic Key Ideas)
  6. Alpha brainwaves vs. theta brainwaves (Nootropic Key Ideas)
  7. Cortisol vs. adrenalin (Nootropic Key Ideas)
  8. Neurotransmitter precursors vs. receptor agonists (Nootropic Key Ideas)
  9. Stress management vs. cortisol reduction (Nootropic Key Ideas)