Is fancl Fat Burning Pill useful? Speaking of this product, many friends should have tried it, but some friends dare not try it easily. In fact, this product itself is a slimming product, and the effect of losing weight will be there, but how good the effect is after using it depends on the user's physique. Some friends have lost weight after using it, and some friends need some time to see the effect. In fact, if you use this diet product alone, the effect will be great but not great, because no diet product can resist the "impact" of food. If you can't control your mouth, I'm afraid no amount of weight loss products will be free. So, is fancl Fat Burning Pill useful? There must be, but at the same time, you need to control your diet and exercise properly in order to lose weight successfully.