#coffee

1 article

A wide, editorial-style still life shot from a slightly elevated angle on a pale oak gym bench, bathed in soft morning window light. In the center sits a matte ceramic cup of black coffee with delicate steam curling upward, flanked by a small white scoop of coffee beans and two identical glass vials, one filled with a few grains of fine powder and one empty, hinting at dose comparison. Next to the cup rests a pair of worn white boxing hand wraps, loosely coiled, and a slim black stopwatch with its face softly visible. In the foreground, a minimalist notebook lies open with blurred handwritten numbers and a simple pen sketch of a bar graph with bars of equal height, subtle and unreadable, suggesting a null result without any legible text. A small brass kitchen scale sits to the side with a few coffee beans on its tray.

In the soft-focus background, a boxing gym interior is visible: a hanging heavy bag in muted charcoal, exposed brick wall painted off-white, and tall windows casting long diagonal light across the floor. The color palette is warm and restrained: cream, sand, espresso brown, soft charcoal, with a single accent of muted terracotta orange in the hand wraps and a faint sage green in the notebook cover. Shallow depth of field with creamy bokeh, fine film grain, and gentle shadows give it a contemporary lifestyle-magazine and wellness-journal feel. The composition leaves generous negative space on the left third for headline overlay. Clean, calm, trendy, and tactile, with natural textures like wood grain, ceramic glaze, and cotton fabric. No people, no text, no futuristic elements.

Kava s niskom dozom kofeina nije dala elitnim borcima nikakav poticaj za sprint

BY DR. GYMBRO · 23. lis 2026.

Mislite li da kava prije treninga daje dodatni zamah za sprintove? Nedavno je, u randomiziranom, dvostruko‑slijepom križanom ispitivanju na 15 nacionalnih boraca, otkriveno da ni jedna od doza kofeina (1,5 mg/kg i 3 mg/kg) ne donosi nikakvu prednost u izvedbi. Za sportaša od 68 kg to znači otprilike 100 mg i 200 mg kofeina. Vrhunac snage, prosječna snaga, indeks umora i čak procijenjeni doprinos energetskih sustava nisu se razlikovali od dekaf. Ipak, ovo je mali nul‑rezultat, a ne dokaz da kofein ne djeluje; većina pozitivnih studija koristi kapsule u rasponu 3–6 mg/kg. U nastavku su izračuni doze, upozorenja i savjeti za sljedeću napornu sesiju.