Undoubtedly, as a slimming product, Jansen Slimming Bag is still very useful to lose weight. According to market statistics, almost all people who have used this product to lose weight have a very high evaluation of this product. Specifically, as an external weight-loss product, Jansen's weight-loss package is undoubtedly much safer than those oral weight-loss drugs. Secondly, in terms of effect, Janssen Slimming Bag can be used in partial weight loss, especially in abdomen, thighs and arms, with the best weight loss effect. However, although the slimming bag is useful for losing weight, everyone should still remember the key to losing weight-keep your mouth shut and take your legs. Only when exercise and weight loss package are used together can we achieve healthy weight loss without rebounding. The above are some contents related to the question "Is weight loss effective?". Generally speaking, losing weight is very effective with few side effects.