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A wide editorial still life on a pale, warm-toned concrete surface in soft morning window light. In the center-left, a shallow matte ceramic bowl holds a small pile of bright red coffee cherries with glossy skins, a few sliced open to reveal pale mucilage and paired green-tan beans. Beside it, a small glass dish of fine, golden-brown powdered extract with a tiny wooden scoop resting on its edge. A sprig of coffee plant leaves, deep green and waxy, arcs across the foreground.

On the right side, slightly out of focus, a sleek road cyclist's handlebar and a matte black water bottle lean against a light plaster wall, suggesting athletic training without showing a person. A minimalist analog stopwatch with a clean white face and thin black hands sits in the mid-ground, angled toward the camera, its hands paused near the fifteen-minute mark. A folded linen cloth in oatmeal beige and a single small espresso cup with a thin crema ring add quiet texture.

The color palette is restrained and modern: cherry red, sage green, cream, soft terracotta, and charcoal accents. Light comes from the left, casting long, gentle shadows with a subtle warm glow and a hint of dust in the air. Shallow depth of field with crisp focus on the cherries and stopwatch, creamy bokeh in the background. Composition leaves open negative space in the upper right for a headline overlay. The overall feel is a clean, trendy health-and-science magazine cover: tactile, natural, minimal, and calm, shot in a 16:9 landscape frame with fine film-like grain and true-to-life tones.

Ekstrakt od kafevih višnjica: 200 mg kofeina povećalo je biciklistički učinak za 4,6 %

BY DR. GYMBRO · 30. окт 2026.

Niska doza od 200 mg kofeina iz ekstrakta celog ploda kafevih višnjica pomogla je obučenim biciklistima da proizvedu 4,6 % više rada u 15‑minutnom testu. Međutim, tvrdnja da ubrzava punjenje glikogena nije potvrdjena. Studija je bila randomizovana, dvostruko‑slepa i preklapajuća, učestvovalo je jedino 12 biciklista, a finansirala je industrija bez grupe koja bi uporedila čisti kofein. Evo šta podaci pokazuju, šta ne pokazuju i ko bi mogao da proba ovaj suplement.

#glycogen

Ekstrakt od kafevih višnjica: 200 mg kofeina povećalo je biciklistički učinak za 4,6 %

Ekstrakt od kafevih višnjica: 200 mg kofeina povećalo je biciklistički učinak za 4,6 %