Weight loss surgery in Tijuana Mexico – Nutrition Frequently Asked Questions


Why have I been requested to lose weight prior to surgery?

It’s not that you have to lose weight the pre-op diet that we provide is focused to reduce your liver size and prevent any risk during surgery, also it helps you to have a better and faster recovery.

How soon can I resume a normal diet after surgery?

One month after the post operatory surgery and your stomach has healed, you may eat most foods that don’t cause you discomfort. We highly recommend you to start eating soft food and try not to eat and drink liquids at the same time.

Do I need to continue with my post-op diet after the healing process?

No, after the post-surgery diet we suggest you to have a healthy and balanced diet for better weight loss results. Your diet should be low carb and high protein to help your body re-built muscle, also walking 30 minutes per day its recommended to activate and speed up your metabolism which is going to improve health and surgery results.

Click here to know more details and tips about post-op weight loss surgery diet!

Does the VSG limit my physical activity?

No, the gastric sleeve does not affect or hamper physical activity. We recommend you to start with light exercise or 30-40 minutes walks per day. And then slowly start with aerobic or anaerobic exercises.

Do I need to take vitamin supplements?

You may, It’s possible you may not get enough vitamins from three small meals a day. At your regular check-ups, your specialist will evaluate whether you are getting enough vitamin B12, folic acid, and iron.

Will I suffer from constipation? What should I do?

You may need to increase your fiber and fluid intake. Food records will help you quantify how much you are actually drinking. Adding a fiber supplement may help. If increasing fiber doesn’t help, you may try milk of magnesia, prune juice or stool softener.  

What about alcohol consumption after surgery?

Alcohol after the post operatory diet and recovery process is not well recommended, alcohol has a high number of calories, it also breaks down vitamins. An occasional glass of wine or other alcoholic beverage is not considered harmful. 

What type of food I should avoid after surgery?

No solid food within the first month after surgery, start with a liquid diet (we provide you the info). Once you pass the 4 phase post op diet that we provide, we recommend that you stay away from sugar and high fiber consumption so you can have a better nutrient absorption. Try not to eat large portions of food and if you feel full stop eating.

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Why I shouldn’t drink liquids and eat at the same time?

We highly recommend not to ingest both water and food the same time due to stomach reduction, you will get full faster if you do both, that’s why you have to drink water 45 min before or after your meal. That way once you eat you get the most nutrients from that meal.

What do I do if I am feeling nauseous?

First look at your eating behavior. You may be eating too much and/or too fast. It is also very important to keep food records to see if this is related to certain foods. Also contact us or our nutritionist if issue continues.

Why is protein so important?

Protein is essential after surgery to help the healing process, and preserve your lean body mass (muscles). Meeting your protein goals is essential, and you also want to EAT YOUR PROTEIN FIRST!

What if I am vomiting?

Vomiting is not an uncommon occurrence, however it can be controlled. If you are vomiting, there are some things you should be looking out for.

  • Are you eating your food too quickly?
  • Note the texture of the food. Is it too dry? Most often you will find meats difficult to tolerate. Make sure your meat is moist. If you are still not tolerating them, you can make substitutions for these foods. Leave them out of your diet for a few weeks and try them again at a later date.
  • Are you chewing your food well? Enjoy, feel, and taste every bite.
  • Remember to drink fluids separately.
  • Do not eat and drink at the same time. Wait approximately 30 minutes before and after a meal to drink liquids. Most often liquids fill you up and may cause distress, making you feel like you need to vomit.
  • Alcohol and coffee create an acid environment in your stomach and can produce vomit.
  • Dinner after 7 pm also is important to be aware of.

Why is fluid important?

It is important to maintain fluids intake of about 64 ounces or more per day. This will help maintain the appropriate body levels of fluids and replace the losses from weight loss. You need to take small slow sips of fluids throughout the day… Fluids should have minimum calories, no caffeine and no carbonation. To help meet both nutrition and fluid goals you need to keep fluids separate from meals by at least 30 minutes.

Im i going to experience hair loss?

This happens on rare occasions it’s more common on the gastric bypass. Sometimes after surgery patient will complain of hair loss. It can be related to not getting enough protein or vitamins in your diet. This is often the body’s response to rapid weight loss. Hair loss is usually not permanent and re-growth typically occurs 3-6 months after it starts falling out.  Talk to your dietitian if you are experiencing this.

What do I do if I have gas and bloating? What if I have some diarrhea?

Some patients may experience these symptoms due to sugar found in milk products called lactose.  If you are intolerant to lactose, it may cause cramping, gas bloating, and/or diarrhea. Switch to lactic products or soy products. 

Also make sure you are not eating too much or too fast. Slow down your eating, take small bites and chew well.  If you get a severe dehydration you need and IV, got to the ER to have it applied by a nurse or a doctor.

What if my weight loss slows down?

Your weight loss may seem like a staircase. You are also going to experience “plateaus” and this is normal. Everyone will lose weight at a different rate, so please do not compare yourself to other people. If you hit a plateau (not losing weight for longer than 2 weeks), continue to keep food records and track your exercise. You may need to adjust your diet or exercise to help with your weight loss. If a plateau last longer than 4 weeks call your dietitian.  

What is the Honeymoon period?

Often you may experience a lack of appetite after surgery. In turn this often causes patients to skip meals, depriving themselves of the nutritional needs. You will need to plan to have 4-6 small meals per day to meet your nutrition goals and have a successful weight loss.  

What is dumping?

Almost flu-like symptoms (nausea, vomiting, sweating, bloating, diarrhea, etc.) that usually occur after high-fat or high sugary foods… The symptoms typically last about ½ hour. However, not everyone experiences dumping.  To avoid these symptoms, you should select foods that have 14 grams of sugar or less per serving and 3-5 grams of fat or less per serving.

Will I be able to take my prescribed medications after surgery?

Small pills or capsules can be taken as before. Larger medications may be broken or crushed, or alternate medications may be prescribed. Check with the medical team or your prescribing physician’s.