Reviews
Summary
Positives
- A patient with CFS, ADHD, and MCAS took L-theanine 400mg and felt intense brain fog improve drastically within hours, reporting their brain fog felt 90% gone the next day Reddit.
- A long-hauler who added 200mg L-theanine to their regimen experienced consistent all-day energy for two straight days with dramatic improvement in stamina and mental acuity Reddit.
Negatives
- A long-hauler tried L-theanine twice for anxiety and experienced the opposite effect: irritability, restlessness through the night, and very intense dreams Reddit.
Hurdles & Side Effects
- Multiple users noted that L-theanine may not overcome caffeine-induced anxiety, suggesting that regular caffeine consumers may find it ineffective Reddit.
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