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Back新竹初日診所院長魏士航:每日攝取25-29克膳食纖維可降低四種慢性病風險
新竹初日診所院長魏士航:每日攝取25-29克膳食纖維可降低四種慢性病風險
Health
自由时报1 hour agoHealth2 min readChinaView translation

新竹初日診所院長魏士航:每日攝取25-29克膳食纖維可降低四種慢性病風險

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新竹初日診所院長魏士航表示,研究指出每日攝取約25-29克膳食纖維與較低的全死因死亡率及心血管疾病、中風、第二型糖尿病、大腸癌等四種慢性病風險相關,並提醒應從天然食物逐步增加攝取量並補充足夠水分。

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Why It Matters

文章指出,雖然膳食纖維在傳統生物學中被歸類為非必須營養素,但長期攝取不足可能影響腸道菌相、餐後血糖反應及胰島素敏感性,世界衛生組織建議成人每天至少攝取25克來自天然食物的膳食纖維。

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2026/09/13 07:26

新竹初日診所院長魏士航表示,研究指出,每日攝取約25-29克纖維,與較低的全死因死亡率及心血管疾病等4種慢性病風險也相關;示意圖。(圖取自freepik)

〔健康頻道/綜合報導〕膳食纖維對於健康的助益,其實不只幫助排便。新竹初日診所院長魏士航表示,提到纖維,很多人第一個想到的可能是腸道健康,但其實纖維對身體的影響並不僅止於此。雖然纖維對於身體來說並非必須,但若攝取不足,除可能影響腸道菌相,餐後血糖、胰島素敏感性也會產生波動。此外,研究也顯示,每日攝取約25-29克,與較低的全死因死亡率以及心血管疾病等4種慢性病風險也相關。

膳食纖維不只幫助排便

魏士航於臉書粉專「魏士航醫師|航向健康減重新體質」發文與網站短影音中指出,從傳統生物學定義來看,纖維屬於「非必須」,因為人們短時間不吃纖維並不會死亡,不過,非必須並不代表身體不需要。纖維更像是一種「健康必須」,也是維持長期健康的重要功能性營養素。當纖維攝取不足時,可能影響腸道菌相的多樣性與代謝產物,餐後血糖反應可能更大,胰島素敏感性也可能下降。

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每天建議至少吃25克

一天到底要吃多少才足夠?魏士航表示,WHO建議成人每天至少攝取25克來自天然食物的膳食纖維。研究也顯示,每日攝取約 25-29克纖維,與較低的全死因死亡率,以及心血管疾病、中風、第二型糖尿病與大腸癌風險相關。

世界衛生組織(WHO)建議成人每天至少攝取25克來自天然食物的膳食纖維;研究也顯示,每日攝取約25至29克纖維,與較低的全死因死亡率,以及心血管疾病、中風、第二型糖尿病與大腸癌風險相關。

魏士航提醒,如果想增加纖維攝取,也別一次突然吃太多。建議可從蔬菜、水果、全穀類、豆類等天然食物慢慢增加,同時記得補充足夠水分。若本身有缺鐵、礦物質攝取不足或特殊營養需求,建議先由營養師協助評估,再依個人狀況調整。

新竹初日診所院長魏士航。(初日診所提供)

Open Questions

  • 不同族群(如老年人、兒童)的理想纖維攝取量是否有別?
  • 纖維補充劑與天然食物來源的健康效益是否等同?

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