How much coffee will break my fast?
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5 min read
Recent research from the *American Journal of Clinical Nutrition* found that consuming up to four cups of plain, black instant coffee over 24 weeks did not negatively affect insulin sensitivity or fasting glucose levels. This critical finding helps answer the common question, "How much coffee will break my fast?", and provides clarity for those practicing intermittent fasting. The key lies not in the coffee itself, but in any additions you might include.
