#l-theanine

1 article

**Approach: Macro science, with Palette C (natural).**

Extreme close-up, shot from a low 30-degree angle, of finely sifted matcha powder in a shallow matte ceramic bowl. A bamboo whisk's tines have just lifted from the surface, leaving a swirl of vivid green foam with a few tiny bubbles. Individual powder grains and the soft ridges of the foam are sharp in the foreground, and the background falls into a creamy blur. Soft side light from a window at left picks out the velvety texture and a faint sheen on the bubbles. The palette is grassy greens, with a worn wooden table in warm brown and a hint of pale daylight. The mood is calm and focused, with a clean, airy, natural feel. The green is the vivid, near-electric tone of fresh matcha. No text, no logos.

Matcha nadmašuje običan kofein u radu pod stresom, studija otkriva

BY NOVA CHEN · 19. окт 2026.

Kofein je zaslužen za većinu naše jutarnje budnosti, ali randomizovano, placebo‑kontrolisano ispitivanje na sredovečnim i starijim japanskim odraslim osobama ukazuje da matcha može ponuditi nešto dodatno. Jedna doza kofeina pojačala je pažnju, dok je kontinuirani dnevni unos matcha povećao radni učinak na stresnom aritmetičkom testu. Autori tome pripisuju kombinaciju kofeina i aminokiselina, naročito L‑teanina. Studija ima realna ograničenja – blagi laboratorijski stres, jedinstvenu populaciju i nedostatak izolovane teanine – pa su zaključci dati uz rezerve. Evo šta to znači za matcha naspram kafe, dnevne navike naspram jednokratnih doza i ko bi mogao imati najviše koristi.