Is the keto diet safe for bariatric surgery?

Fist of all pre and post bariatric surgery we recommend following the diet provided to you by your Doctor or Dietitian.

The keto diet involves slashing carbs (about 20 grams a day) and loading up on fat to get your body to enter into a state of ketosis. While in ketosis, your body breaks down both dietary and stored fat to use for fuel instead of carbohydrates.

Is the keto diet an option?

The diet following bariatric surgery initially focuses on obtaining adequate fluid and protein. This helps the body shed excess fat, but maintain maximum muscle tissue during the rapid weight loss phase. As the body heals, fresh unprocessed vegetables, fruits and whole grains are added. A diet of fresh, whole, unprocessed foods is encouraged. Six small (1/4 cup to 1 cup portions) protein rich meals are encouraged. Vitamin and mineral supplements are required to meet nutritional needs due to the small amount of food consumed.

The keto diet does not work well after bariatric surgery for the following reasons:

1: High fat content does not allow for adequate carbs.

2: This high fat diet may lead to fatty diarrhea and reduced absorption of nutrients because food tends to travel faster through the intestinal tract after bariatric surgery.

3: The keto diet is low in fiber. This increases the risk of constipation, which can be a concern after weight loss surgery. Fiber may also reduce the risk of developing various conditions, including heart disease, diabetes, and diverticular disease.

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