We often complicate matters more than needed: weight loss is achieved via a nourishment plan that is very specific to an individual as it aims at creating a negative energy balance. So yes, it might be that for you, as a particular individual, a ready-made weight loss plan will not work because the variables will simply not add up to maintain a caloric deficit in your specific case.
Quick band aid weight loss fix or long-lasting health? Pick your choice. Those looking for quick weight loss solutions will probably look into eating some sort of light margarine on the morning bread. How effective that is?