Tag: Will 2 grams of fat break a fast

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Will 2 grams of fat break a fast? The definitive guide to metabolic impact

Nov 26, 2025 •

4 min read

While any calorie technically ends a fast according to the strictest definition, the metabolic response to fat is minimal compared to other macronutrients. This makes the question 'Will 2 grams of fat break a fast?' a nuanced one, heavily dependent on your specific fasting goals.