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Does Mouthwash Break a Fast? [Intermittent Fasting Tips]

Writer's picture: Autumn Bates, CCN, MS, BS, CPTAutumn Bates, CCN, MS, BS, CPT

Does mouthwash break an Intermittent Fast? Today, we're diving into the details of mouthwash and Intermittent Fasting.


does mouthwash break a fast

Does Mouthwash Break a Fast?

The main ingredients in mouthwash are water and alcohol. Listerine, a common mouthwash, is about 21.6% alcohol. Alcohol will break a fast, however unless you're drinking mouthwash (which is obviously, not advised), then you won't be absorbing significant levels of alcohol to break a fast.


Listerine also contains sorbitol, which is a sugar alcohol. Sorbitol will have less of an effect on blood sugar than regular table sugar, but it still can raise blood sugar levels. Increased blood sugar levels causes insulin, the storing hormone, to increase. This increase in insulin shuts off the fat burning process called lipolysis, which then breaks a fast. It's unclear how much sorbitol is used in Listerine or other mouthwash products. However, assuming you're not swallowing mouthwash (which again, isn't advised), you likely aren't absorbing much sorbitol to break a fast.


Bottom line: when properly using mouthwash, it will not break a fast.



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does mouthwash break a fast

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Keto Coffee Cheers,

Autumn


does mouthwash break a fast

Autumn Elle Nutrition

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This content (on www.autumnellenutrition.com and in marketing emails from Autumn Elle Nutrition) is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of such advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors, nutritionists and/or qualified health professionals regarding specific health questions. Neither Autumn Elle Nutrition nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program.

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