The Science of Fasting

crosswatt said

That's interesting. So, if I shoot for a window from 11:00 AM to 7:00 PM, would drinking an unsweet tea or black coffee be advised prior to the 11:00 meal?

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If I'm reading that right, then you'd want an earlier window of only 8 hours with the benefit being less hunger and lower insulin. I don't see why the time would make a difference as much as the window size and calories. Maybe they just didn't feel as hungry because they were tired.

I'm hearing the recommendation is to drink water before coffee or tea as those are diuretics. I don't think there's enough calories to worry about if you don't sweeten or cream them.