Will Coffee Break My Fast?Ĭonsidering the goal of Data-Driven Fasting is for you to achieve a long-term negative energy balance, the slight rise in glucose around your coffee should not be a concern, as long as your coffee contains minimal energy.Ĭaffeine tends to trigger the release of stress hormones like cortisol. Similarly, if you find yourself craving it and unable to function without it, it might be worth considering how much java you’re guzzling. For example, if you’re not sleeping well because you are drinking too much coffee too late in the day, you should stop earlier or reduce your intake. Because of its role as a stimulant, it can also help to blunt appetite.īut caffeine isn’t always a ‘yes’.

Caffeine can stimulate metabolic rate and fat loss and prompt the release of stored energy from the liver.

Most studies find caffeine can be beneficial. Thus, if you did choose to cut back on your caffeine, it’s best to scale back slowly. While becoming a monk and drinking filtered water may be a ‘better’ choice, doing a complete 180 and axing caffeine overnight might not leave you feeling so great.īecause we develop a tolerance to caffeine, many people will get a headache if they suddenly slash their intake. While there is plenty of debate over whether coffee or artificial sweeteners will break your fast, you need to find the balance between what is optimal, enjoyable, and, most importantly, sustainable for you.

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