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Magnesium vs Melatonin vs L-Theanine: Which Sleep Supplement Fits Your Problem?
Roughly one in three adults reports insomnia symptoms, and the supplement aisle offers three default answers: magnesium, melatonin, and L-theanine. They are often marketed interchangeably. They are not. Each acts on a different part of the sleep problem, and choosing...
L-Theanine: Mechanisms, Dosing, and What the Trials Show
Key Takeaways L‑theanine is an amino acid found almost exclusively in tea leaves (Camellia sinensis) that crosses the blood–brain barrier and promotes relaxation without sedation. Clinical trials consistently use doses of 200–400 mg per day. At these levels, L‑theanine has...