Diet After Weight Loss Surgery

Blossom Bites, this is your first taste after surgery. […] So after surgery there’s three things we need you to focus on. The first one is making sure that you’re getting plenty of protein and those will be coming from your protein shakes. […] That’s going to give you the most protein that you can absorb after surgery […] the goal is to get 40-60 grams of whey protein a day, every day. The second thing we really need you to focus on is to make sure you’re drinking plenty of fluids […] And the third thing we need you to focus on is to get up and walk around every hour that you’re awake.


Protein is the most important nutrient you need after surgery. Not only does it help you heal, it does help repair tissues and it really helps you stay full longer and it helps stabilize your blood sugars. All right? So you’re going to consume 40-60 grams of whey protein a day and, of course, after about two weeks that protein will increase to about 60-80 grams a day. […] You can go higher than 80 grams if you start exercising.


After surgery […] consume at least six cups or 48 ounces of fluid a day. Now that is only to prevent dehydration. Water is always best, but if you’re tired of water, again try the 80/20 rule. 80 percent could be water and 20 percent could be sugar-free fluids […] try Crystal Light PURE. […] Also, Sobe Lifewater, zero calories. […] Also, green tea, herbal teas, these tend to work really well too.


The Slip and Slide/Funnel Diet list is for the first 2 weeks after surgery. You can pick and choose out of this list […] So the reason why is because we want to prevent solid and heavily textured foods from putting too much strain and pressure on your new stomach and possibly rupturing those sutures. So examples of the funnel diet foods would be no sugar-added applesauce or low-fat Greek yogurt.

Items that are not a good example of the funnel diet would be rice, oatmeal, and mashed potatoes. They just stick and clump.

Obviously your whey protein shakes, low sodium broth works really well. Low-fat or fat-free Greek yogurt can work, low-fat or fat-free cottage cheese without fruit, a soft scrambled egg, believe it or not, low sodium V8 Juice, maybe some tomato soup, no sugar-added applesauce. Now here we go, sugar-free Jello and sugar-free popsicles, please keep in mind that these are artificially flavored, artificially colored and not really food, but sometimes after surgery your throat hurts, it gets dry and scratchy. These feel good going down, so I left those on there. Of course water, almond milk, rice milk, coconut milk, and water. These are approved drinks as well and approved to mix your protein powder with to make your shakes. Notice there is no dairy milk or soy milk, okay? So no cow milk and no soy milk.


So what I want you to do is try […] a little bit of a soft scrambled egg, or maybe a little bit of cottage cheese and you’re going to take that little bite and you’re going to chew it 20-30 times and you’re going to swallow and you’re going to wait and you’re going to wait and you’re going to wait even long until that stomach of your gives you the green light. All right? That’s the trick.

Blossom Bariatrics is a weight loss surgery center located in Las Vegas, Nevada. Award winning surgeon, Dr. Thomas Umbach, is dedicated to helping individuals improve their health, and live more fulfilling lives by losing their excess weight.

Over the years, Dr. Tom has helped hundreds of clients lose thousands of pounds through the gastric bypass, gastric lap band and gastric sleeve procedures. His clients have truly Blossomed as they have gone on to enjoy the simple pleasures of life again; such as playing with their children or grandchildren, riding a roller coaster for the first time, or starting to date and travel.

Dr. Tom Umbach is a nationally recognized, fellowship-trained Las Vegas bariatric surgery specialist. His gastric bypass practice specializes in both advanced and traditional laparoscopic (minimally invasive) procedures. The bariatric practice delivers outcomes that exceed national averages of weight-management success due to Dr. Umbach’s surgical expertise, compassionate care, and exemplary pre- and post-surgery services.

If you are looking for the premier weight loss surgery center located in Las Vegas, Nevada contact Blossom Bariatrics today at 702-904-8011or visit

Author Info

Blossom Nutritionist

Blossom Nutritionist

Jeni is our registered dietitian. She recently relocated to Las Vegas to escape the long, cold winters of northern Idaho. In addition to being our nutrition specialist, she is also a certified weightlifting and sports performance coach. In her free time, she can usually be found in the gym, hiking with her dogs…or spending entirely too much money at Ikea.

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