#exercise-performance

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A wide, editorial-style still life shot from a slightly elevated angle on a pale oatmeal-colored linen surface in soft, diffused morning light. At the center, a shallow matte ceramic bowl in warm terracotta holds a small mound of fine, golden-tan ashwagandha root powder. Beside it lie a few gnarled, dried ashwagandha roots and a sprig of green leaves with tiny orange-red berries in their papery husks. To the left, a minimalist amber glass supplement bottle sits with a few capsules spilled beside it, label blank and clean. A wooden scoop rests on the surface, dusted with powder.

On the right side of the frame, a pair of sleek, muted sage-green running shoes sits slightly off-center. A folded cream towel and a stainless steel water bottle sit just behind them, with a single brushed-steel kettlebell partly out of focus in the background to hint at strength training without dominating the scene. The running shoes and the botanical elements share equal visual weight, suggesting the endurance theme.

A thin, curved line of scattered powder sweeps across the linen from the bowl toward the shoes, like a gentle path or track. Soft shadows fall to the left, and a warm sunbeam crosses the surface and picks out the texture of the powder and the roots.

The palette is restrained and modern: warm terracotta, sage green, cream, soft gold, and touches of charcoal. The background is a blurred pale plaster wall with a hint of a window shadow. Shallow depth of field, crisp focus on the bowl and roots, and generous negative space in the upper left for a headline. Contemporary wellness magazine aesthetic, calm, natural, tactile, high-end lifestyle photography, no text, no people, no futuristic elements.

アシュワガンダの驚き：持久力が筋力よりも向上

BY DR. GYMBRO · 2026年10月28日

アシュワガンダは筋力・筋肉増強サプリとして広く宣伝されていますが、最新のメタ分析では有酸素持久力の向上効果が最も一貫していることが示されました。13件のランダム化比較試験（計599名）を統合した結果、全体の効果量は Hedges' g = 0.54 と中程度の効果が認められました。筋力の向上も示唆されましたが、確実性は低く、パワーに関するデータはほぼありません。1日あたり 500〜600 mg の抽出物が最適とされますが、予測区間が0を跨ぐなど注意すべき点もあります。