#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.

暑さの中でケトン飲料は持久力を伸ばし、記憶を鋭くできるのか？

BY DR. GYMBRO · 2026年10月30日

ケトン飲料は脂肪燃焼を狙うバイオハッカー向けとして知られてきましたが、最新の熱ストレス実験では、熱環境下での持久走においてもパフォーマンスを伸ばす可能性が示唆されています。34℃で90分間の負荷トレッドミルを行った後、トレーニング経験のある男性17名を対象に、ケトンモノエステル＋カフェインは炭水化物＋カフェインに比べ、疲労限界までの時間を8.9分（炭水化物は7.0分）に延長しました。作業記憶の1バック課題でも精度が向上しましたが、心拍数や体温に有意差は認められませんでした。2バックや反応時間、ヒット＆アボイド課題では効果が見られず、サンプルが男性のみで少数、単回測定である点に留意が必要です。

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

0.35 g/kg のクレアチン単回投与で、数時間で睡眠不足による脳のもやもやを改善

BY DR. GYMBRO · 2026年10月15日

クレアチンはジムで最も信頼されているサプリですが、2024 年の研究では、睡眠不足による脳のもやもやを数時間で軽減できる可能性が示唆されました。70‑80 kg の成人で約 25‑28 g、つまり日常的に摂取する 3‑5 g の約 5 倍に相当する単回投与で、脳のエネルギー指標が変化し、pH 低下が防がれ、認知機能と処理速度が改善されました。ただし、研究は小規模かつ実験室内で行われ、胃腸障害のリスクや繰り返しの大量投与は検証されていません。現時点で日常のルーティンを変えるべきではない理由を解説します。

#cognitive performance

暑さの中でケトン飲料は持久力を伸ばし、記憶を鋭くできるのか？

0.35 g/kg のクレアチン単回投与で、数時間で睡眠不足による脳のもやもやを改善

0.35 g/kg のクレアチン単回投与で、数時間で睡眠不足による脳のもやもやを改善