Revival Tonic's latest weight loss drops were created by Dr. Jhon. According to the National Health and Nutrition Examination Survey (NHNESS), 49.1% of Americans tried to lose weight over the past 12 months. Although they tried many methods to lose weight, most exercised and avoided certain foods. It isn't easy to lose weight. You will need to put in a lot of effort and make sacrifices. It takes time to exercise. No matter how much you love food, you must give up your favorite foods and not feel miserable.