Worth it to point out that coffee (and anything you ingest really, including water) will activate bits of your metabolism and having it will not be equivalent to a complete fast for certain purposes.
Not that you're wrong having it, just something to realize. Will almost certainly have a negligible or even positive effect on weight loss.
Generally (and certainly most of the recent fasting trends) fasting is referred to as no more than 500 kcal intake, which is of course different to a ‘true’ definition which would be nothing, except maybe water
Not that you're wrong having it, just something to realize. Will almost certainly have a negligible or even positive effect on weight loss.