間歇性斷食

Jay

If you keep the fasting, yes. It is sustainable. However, a long fasting - not eating for a long time is of course very dangerous. 

Connie Tsui

I guess if u behave well

Freddie Aziz

I think it is! There's probably an adjustment period just like any lifestyle change but if you stay committed, I'm sure you can make it work. 🙌🏻

Ada

I guess if you like it 

Jessical James

yes if you do it properly