#prebiotics

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A bright, airy editorial still life photographed from slightly above on a pale oak table in soft morning window light. At the center sits a shallow ceramic bowl in matte oatmeal glaze filled with fine, creamy-beige inulin powder. A wooden spoon rests beside it, with a few fine grains scattered across the wood. Around the bowl, several fresh chicory roots with pale tan skin and delicate taper lie on a folded linen napkin. Next to them are a few crisp, leafy chicory heads in muted green and soft magenta tones, and a halved root that shows its pale, fibrous interior.

On the right side of the frame, a pair of older adult hands in a soft cream knit sleeve rest gently on a knee covered by relaxed linen trousers. A glass of water stands nearby, along with a small ceramic cup of herbal tea. A folded pair of simple tortoiseshell reading glasses and a minimalist notebook with a thin pencil sit in the background, hinting at a considered, research-minded atmosphere. A slim yoga mat edge and a pair of light-gray walking shoes appear softly out of focus in the far corner, suggesting gentle exercise and mobility without overwhelming the scene.

The color palette is calm and modern: warm creams, sage green, soft terracotta, and touches of dusty rose from the chicory leaves. Shadows are gentle and long, with natural light raking across the table and highlighting the textures of powder, linen, wood, and root. The depth of field is shallow, with the bowl and roots in crisp focus and the background melting into a creamy blur. The composition leaves generous negative space on the left third of the frame, suitable for headline overlay, and the overall feel is clean, wholesome, and contemporary, like a lifestyle-meets-science feature in a trendy online health journal. Fine film-like grain, true-to-life color, and a quiet, optimistic mood.

低价肠道纤维击败安慰剂，膝痛降低1.11分

BY DR. GYMBRO · 2026年10月15日

一种低价的菊苣根纤维在随机对照试验中略胜安慰剂，20 克/天的菊粉让膝痛降低了1.11分，超过了常用的1分临床意义阈值，同时还提升了握力。仅菊粉组出现了丁酸盐和 GLP‑1 的升高，提示肠道‑肌肉轴的潜在关联。但受试者平均年龄 67.5 岁，且配合理疗的运动干预对疼痛的缓解更为显著（降低 1.55 分）。本文将综述研究发现、局限性以及理性使用建议。