Unverified80% confidenceTradeoffTime unknown
低糖与饱腹感的权衡:用大量膳食纤维(如菊粉、玉米纤维)替代糖能压低净碳水并增强饱腹,但纤维>10g/根常导致胀气,不适合运动即时补给
1
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80%
Confidence
Long-term
Relevance
-
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Unverified膳食纤维虽不升血糖但抗性糊精、菊粉、聚葡萄糖等发酵型纤维单次超过15-20g同样引发胀气腹泻,'高纤+糖醇'复配的低糖零食肠道刺激叠加,敏感者需双重控量85% similarUnverified控糖/减重人群优先看可溶性纤维(车前子壳、魔芋葡甘聚糖),其黏性延缓胃排空、增加饱腹、平缓餐后血糖;魔芋葡甘聚糖需餐前配大量水服用饱腹效果才明显84% similarUnverified减脂代餐场景选膳食纤维≥5g、糖分≤8g/根的燕麦纤维棒,饱腹感强且血糖波动小;运动补给则相反,需要快糖83% similarUnverified低糖零食中膳食纤维(抗性糊精、菊粉、聚葡萄糖)计入总碳水但不升血糖,国标营养成分表碳水数字可能虚高,应用'碳水-膳食纤维=净碳水'评估生酮/控糖实际负担82% similarUnverified宣称高纤维的谷物棒/饼干往往同时含高糖高油,纤维5g但同时含糖15g以上时,代谢负担抵消纤维益处,减脂控糖人群应看纤维/糖比例而非只看纤维量81% similar
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