然而，没有科学证据支持苹果醋有助于缓解便秘的理论。有些人认为苹果醋之所以有这种效果，是因为它含有大量的果胶，果胶是一种可溶性膳食纤维。缺乏纤维是便秘的常见原因。

However, there is no scientific evidence to support the theory that apple cider vinegar helps relieve constipation. Some people believe that apple cider vinegar has this effect because it contains large amounts of pectin, which is a soluble dietary fiber. A lack of fiber is a common cause of constipation.

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