The main functions of the first two are to make people feel full and reduce food calorie intake.
Fructooligosaccharides are low in calories. Fructooligosaccharides can not be directly digested and absorbed by human body, but can only be absorbed and utilized by intestinal bacteria, so its calorific value is low, which will not lead to obesity and indirectly have the effect of losing weight. It is also a good sweetener for diabetics.
Whey protein is a supplement to human nutrition. Generally speaking, it is a low-calorie meal replacement powder with certain nutrition, but long-term use is not enough to meet the nutritional needs of the body, and the weight loss effect can be imagined.
In fact, the most important thing to lose weight is to change your physique, that is, to reduce the fat conversion capacity and fat storage capacity of the whole system, so as to achieve the purpose of maintaining normal weight under a normal diet.