Over the first three months, patients can expect to lose about 33 percent of their excess weight. Six months post-surgery, patients can anticipate shedding half their extra weight. Guava. Guava is one of the most protein-rich fruits around. You'll get a whopping 4.2 grams of the stuff in every cup. This tropical fruit is also high in vitamin C and fiber After undergoing bariatric surgery, many patients experience some difficulties adjusting to their new lifestyle. This is to be expected. Life after bariatric... +More