#cortisol

3 articles

A wide, editorial-style flat lay photographed from above on a pale, warm-toned marble surface with soft natural window light coming from the left. At the center sits a shallow ceramic bowl filled with glistening golden-amber fish oil capsules, a few spilled casually onto the marble. Beside the bowl, a sleek minimalist bathroom scale in matte white sits at the right edge, its digital display blurred so it appears static. To the left, a neatly folded heather-gray athletic towel rests beside a small cluster of fresh ingredients: a halved lemon, a sprig of dill, and a fillet of raw salmon on a slate board, its coral-pink flesh with delicate white marbling catching the light. Near the top of the frame, a pair of brushed-steel dumbbells in a light finish and a soft tape measure curl loosely across the surface, suggesting body composition tracking without being clinical. A small glass of water with condensation and a linen napkin add quiet lifestyle detail. The color palette is calm and modern: cream, soft sage green, warm gold, coral, and muted gray. Shadows are soft and diffused, with gentle highlights on the capsules making them glow like tiny amber beads. The composition has generous negative space on the upper left for headline text, with a shallow depth of field that keeps the capsules and salmon crisp while the edges fall softly out of focus. The overall mood is clean, health-conscious, and contemporary, like a high-end wellness magazine or science journal cover, with a subtle film-like grain and natural, true-to-life tones. No people, no text, no futuristic elements.

魚油摂取6週間で脂肪が筋肉に置き換わったが、体重は変わらなかった

BY DR. GYMBRO · 2026年10月23日

体重計の数値は変わらなくても、体は密かに脂肪を筋肉へと置き換えているかもしれません。44名の健康な成人を対象にした二重盲検試験で、1日約2.4 gのEPA＋DHAを含む魚油を6週間摂取すると、体組成が約0.5 kg変化し、体重は変わりませんでした。唾液中コルチゾールの低下がこの変化と相関していましたが、因果関係は示されていません。安静時代謝率は変化せず、サンプル数も少ない点に注意が必要です。以下では実データと賢い活用法を解説します。

A serene, minimalist scene showing a smartphone lying face-down on a smooth white marble surface, surrounded by calming natural elements. Soft morning sunlight streams through a nearby window, casting gentle shadows. A small potted succulent sits nearby alongside a steaming cup of herbal tea in a ceramic mug. The phone's screen is completely black, emphasizing disconnection from digital noise. In the background, slightly blurred, are elements suggesting wellness and tranquility: a yoga mat partially visible, a small stack of books, and dried eucalyptus branches in a simple glass vase. The color palette consists of warm whites, soft beiges, muted greens, and golden sunlight, creating an atmosphere of peace and mindful living. The composition suggests intentional digital minimalism and the conscious choice to step away from technology for mental wellbeing.

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ソーシャルメディアが隠すコルチゾール負担：Facebookデトックスを検討すべき理由

BY DR. GYMBRO · 2026年3月14日

最新の研究では、Facebookからたった5日間離れるだけで唾液中コルチゾールが測定可能なほど低下し、慢性的なストレスに対抗できるシンプルな手段が示されました。フィットネス愛好者が避けたい「コルチゾールマックス」の対策として、ソーシャルメディアのデトックスはホルモンバランス最適化の最も見過ごされがちな効果的介入です。本稿では、ソーシャルメディアがもたらすストレスの科学的根拠と、実践的なデジタル休養法をご紹介します。

A muscular athlete in a modern gym performing a powerful deadlift, with intense focus and determination on their face. Sweat glistens on their skin as they grip a loaded barbell. In the foreground, a glass of deep red beet juice sits on a sleek counter, with fresh beetroot slices arranged nearby. The background features state-of-the-art gym equipment with soft lighting creating dramatic shadows. Overlaid translucent graphics show testosterone and cortisol molecular structures floating in the air, with upward arrows for testosterone (in vibrant green) and downward arrows for cortisol (in calming blue). The overall color palette combines deep reds from the beets, metallic grays from the gym equipment, and energetic greens and blues from the hormone visualizations, creating a scientific yet powerful atmosphere that represents the intersection of nutrition science and athletic performance.

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テストステロンを最大化しコルチゾルを抑える科学的根拠：ベタインがトレーニングホルモンに与える影響

BY DR. GYMBRO · 2026年3月11日

最新の研究では、ベタインの摂取がテストステロンを顕著に上昇させ、同時に運動後のコルチゾル上昇を抑制することが示されています。ビーツやほうれん草に含まれるこの自然由来化合物は、1日あたり約2.5 gの摂取で筋力・体組成・回復力の向上が期待でき、トレーニング後のホルモンバランスを最適化する数少ないサプリです。