#exercise science

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A softly lit, minimalist flat-lay composition in landscape format on a pale warm-beige linen surface. Three matching ceramic espresso cups in matte cream glaze sit in a graduated row from left to right. The first is filled a quarter of the way with dark, glossy coffee, the second halfway, and the third nearly to the brim. Fine wisps of steam curl up from each. The first cup is the clear focal point, sharply in focus and gently highlighted by a soft beam of morning window light. The other two sit slightly softer in the depth of field, which suggests that more is not necessarily better.

Beside the cups, a few scattered roasted coffee beans catch the light with a subtle sheen. A slim sage-green running shoe sits at the upper right edge of the frame, partly cropped, with its laces casually trailing. A small sprig of eucalyptus and a folded sheet of off-white paper with faint, minimal hand-drawn tick marks add an editorial, journal-like feel. In the lower left, a simple brass measuring spoon rests on the linen.

The palette is calm and modern: warm creams, soft terracotta accents, deep espresso browns, and muted sage green. Long, gentle shadows fall diagonally across the surface. The light is diffused and natural, with a slight film-like grain and a shallow depth of field. The overall look is clean, airy, and contemporary, like a health and wellness magazine feature or a trendy science-and-lifestyle blog. There is generous negative space on the right side of the frame for title overlay. The image has no text, no people, and no futuristic or technical elements, only an elegant, tactile, still-life mood that suggests balance, moderation, and mindful fitness.

咖啡因燃脂：为何3 mg/kg胜过9 mg/kg的超大剂量

BY DR. GYMBRO · 2026年11月2日

你可能以为咖啡因剂量越大，燃脂效果越好？一项针对超重和肥胖年轻女性的随机小试验却给出了相反的答案。3 mg/kg和5 mg/kg的咖啡因都能提升在FATmax强度步行时的脂肪氧化，而9 mg/kg并没有额外收益。更重要的是，只有3 mg/kg能够避免心率和血压的升高。虽然本研究仅有11名受试者、每种剂量只测一次，但结果仍具启发意义，只是尚未到可下定论的程度。

#exercise science

咖啡因燃脂：为何3 mg/kg胜过9 mg/kg的超大剂量

咖啡因燃脂：为何3 mg/kg胜过9 mg/kg的超大剂量