How many hours do you do intermittent fasting on an empty stomach?

pu1. 16 8

2020-06-29

OK

pu2. 16 to 8! I think I lose weight easily

2020-06-29

OK

pu3. I'm trying to say 16, but it's usually 12

2020-06-29

OK

pu4. I'm a bit extreme, but 22:2

2020-06-30

OK

pu5. 12 hours

2020-06-30

OK

pu6. 18 6

2020-07-01

OK

pu7. I know because I've done it often for 42 hours and 72 hours, but I think it only serves as a supplement to lose weight intermittently.

2020-07-08

OK