This scheme was only brought in in 2019 , it's far too early to tell if drinking milk shakes for 12 weeks , losing weight rapidly then eating normally is good for you
Time and time again people who lose weight put it back on again
If you don't eat very much you will lose weight but it's not good for you
Enjoy your run , you have always been very obsessive about diet and exercise and if it works for you that's fine but every few years a diet comes along