Can You Drink Coffee on an Isagenix Cleanse Day? Your Complete Guide
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4 min read
According to a 2025 study in *Clinical Nutrition ESPEN*, small amounts of instant black coffee do not significantly affect fasting metabolism, which is relevant for the nutritionally supported fasting used in Isagenix. However, navigating whether you can drink coffee on an Isagenix Cleanse Day requires specific program knowledge to avoid compromising your results.