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Tijuana Bariatric Center Blog

Caffeine after Bariatric Surgery

A cup of coffeeBariatric surgery can help those who have struggled to achieve a healthy weight to reach their goals and lead a healthier lifestyle. However, in order to reduce the risk of complications after bariatric surgery, it's important to follow post-surgical diet guidelines and restrictions. When it comes to dietary restrictions, many patients wonder if caffeine is safe after bariatric surgery. In personal consultations, Drs. Fernando Garcia and David Vazquez educate patients about dietary guidelines, including consuming caffeine, after bariatric surgery. Contact our Tijuana, BC to schedule your consultation.

Is Caffeine Allowed after Bariatric Surgery?

It is generally recommended that patients avoid or at least limit caffeine intake after bariatric surgery. Small amounts of caffeine don’t pose a problem. However, if the caffeine is in high-calorie, sugary drinks, it is best to avoid these after bariatric surgery.

Why Caffeine Should Be Avoided after Gastric Bypass

Although small amounts of caffeine, such as one cup of coffee or tea, are generally safe after gastric bypass, consuming large amounts is not recommended. This is because gastric bypass surgery changes the digestive system by altering how foods are processed and absorbed. Gastric bypass reduces the size of the stomach and bypasses some of the digestive tract. Consuming too much caffeine is thought to reduce calcium and iron absorption, which poses a particular problem when nutrient absorption is already reduced by gastric bypass.

It's best to avoid caffeine after bariatric surgery to limit the risk of problems with nutrient absorption, as well as protect the stomach and avoid empty calories. Although a small amount of caffeine may be tolerated, large amounts can pose problems after bariatric surgery. Some reasons to avoid caffeine include:

  • Caffeine can cause dehydration: Caffeine is a diuretic, which causes the body to increase urination, flushing water out of the body. Too much caffeine can lead to dehydration. Staying hydrated after bariatric surgery is key to a successful recovery.  
  • Caffeinated drinks are often acidic: Many caffeinated beverages, like coffee and sodas, are highly acidic, which can cause stomach irritation, especially after bariatric surgery.
  • Caffeinated foods and drinks are often high in sugar: Caffeinated foods and drinks, like sodas and chocolate, are typically high in sugar. Consuming such foods after bariatric surgery can cause weight gain.
  • Caffeine may cause digestive issues: Excessive caffeine consumption may cause an increase in gastric acid secretion, potentially causing diarrhea or gastric reflux.

Foods and Drinks to Avoid

Caffeine is a common part of many people's diets. When limiting or avoiding caffeine altogether, it's important to be aware of which foods and drinks contain caffeine. Some common sources of caffeine include:

  • Tea
  • Coffee, including decaf
  • Sodas
  • Energy drinks
  • Protein and energy bars
  • Chocolate
  • Some pain relievers
  • Chocolate or coffee flavored ice creams
  • Weight-loss pills
  • Flavored energy waters

Schedule a Consultation

For answers to your questions about bariatric surgery, please contact Tijuana Bariatric Center.

Tagged In: Bariatric Surgery, Gastric Bypass

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