Tag: 25 calories

Many fasting experts suggest that consuming fewer than 50 calories during a fasting window is unlikely to completely disrupt a fast for metabolic purposes, though it technically ends the fast. The answer depends heavily on your specific health goals and what you hope to achieve during your fasting period.

According to nutrition experts, any amount of calories technically breaks a fast, although the impact on your body can vary significantly based on your specific health goals. So, will 25 calories ruin a fast? The answer is nuanced and depends on what you are trying to achieve with your fasting window.