#cognitive performance

2 articles

A sunlit outdoor running track in late afternoon, shot from a low angle with shallow depth of field. In the foreground, a matte black bottle with a minimal off-white label sits on the edge of a warm terracotta-colored track lane, beside a folded white towel and a small glass of amber liquid catching golden light. Condensation beads on the bottle. A faint heat shimmer rises from the track surface and softens the background.

In the midground, slightly out of focus, a lean athlete in a sage-green tank top and charcoal shorts runs on a treadmill-like stretch of track, a thin sheen of sweat on their shoulders, their expression focused and calm. Their motion is gently blurred, suggesting endurance and rhythm. Long soft shadows stretch across the lane lines.

The background fades into hazy peach, apricot, and pale yellow tones, with the suggestion of tall trees and a distant stadium wall. Warm sun flare enters from the upper right, creating a subtle glow and a few soft light streaks across the frame.

Subtle editorial touches: a small notebook with a pencil and a stopwatch rest beside the bottle, hinting at data and timing without any text legible. The color palette is warm and muted, with terracotta, cream, sage, and charcoal accents, and a fine film-like grain. The composition leaves open negative space on the left third for a headline overlay. The overall mood is clean, modern, and health-journal inspired, natural and aspirational, with a calm scientific curiosity rather than hype.

Ketolátky v horku: delší výdrž a ostřejší paměť?

BY DR. GYMBRO · 30. 10. 2026

Ketolátky se často uvádějí jako nástroj na spalování tuku, ale nový test při vysokých teplotách naznačuje, že mohou prodloužit výkon. V experimentu s 17 trénovanými muži kombinace ketonového monoesteru a kofeinu prodloužila čas do vyčerpání na 8,9 minuty oproti 7,0 minutám při sacharidech a kofeinu. Současně se zlepšila přesnost v testu pracovní paměti 1‑back, zatímco srdeční frekvence a tělesná teplota se podstatně nelišily. Studie je však omezená – jde o malý výzkum jen s muži a jednorázovým protokolem.

A wide, softly lit morning scene on a pale oak desk beside a window, shot from a slightly elevated three-quarter angle. In the foreground, a clear glass of water is half-filled with dissolved white creatine powder, tiny suspended particles catching the light. A wooden scoop heaped with fine white powder rests beside it, with a few grains scattered across the wood. A matte ceramic mug of black coffee sits slightly out of focus to the right, with a thin curl of steam. Behind them, a rumpled linen-white bed with a muted sage-green throw blanket suggests a sleepless night. Early dawn light spills through sheer curtains and creates long, gentle shadows and a warm peach-and-pale-blue gradient on the wall. On the desk, a minimalist analog alarm clock reads close to 6 a.m., and a small open notebook with a pen lies beside it, its handwriting blurred. A single green plant in a terracotta pot adds a fresh organic touch at the left edge. The color palette is calm and editorial: cream, soft sage, warm oak, dusty peach and muted slate blue. The depth of field is shallow, with crisp focus on the glass and scoop and a creamy bokeh background. The mood is quiet, restorative and contemplative, like a modern wellness magazine or a trendy health journal cover. The composition leaves open negative space in the upper left for title overlay. The image has a natural film-like texture, soft contrast and a clean, minimalist, lifestyle-photography look, with no text, logos or futuristic elements.

nutrition

Jedna dávka kreatinu 0,35 g/kg potlačila mozkové mlžení z nedostatku spánku během několika hodin

BY DR. GYMBRO · 15. 10. 2026

Kreatin je ve fitness nejdůvěryhodnější doplněk. Studie z 2024 ukazuje, že jednorázová dávka 0,35 g/kg (≈ 25‑28 g) dokáže během několika hodin zmírnit mozkové mlžení způsobené nedostatkem spánku, zlepšit kognitivní výkon a stabilizovat pH mozku. Jedná se o pětinásobek běžné denní dávky, studie je malá a prováděná v laboratoři – opakované mega‑dávkování nebylo testováno.

#cognitive performance

Ketolátky v horku: delší výdrž a ostřejší paměť?

Jedna dávka kreatinu 0,35 g/kg potlačila mozkové mlžení z nedostatku spánku během několika hodin

Jedna dávka kreatinu 0,35 g/kg potlačila mozkové mlžení z nedostatku spánku během několika hodin