Try Estee Lauder. It's very effective for losing weight. I still use it now. I lost 4 pounds in a week. Mix 1 cup grapefruit juice with 2 tablespoons apple vinegar. If it is too bitter, adding a teaspoon of honey will increase the calories by 20 calories. Vitamin C helps to burn fat, especially during exercise. Acetic acid can promote the production of burning lipoprotein, and it is best to drink a cup before meals.