Digestive Health Institute

Roux En Y Gastric Bypass (RYGB)

Process | Dietary Requirements | Ideal Patients 

What is Roux-en-Y Gastric Bypass?

Roux-en-Y Gastric Bypass (RYGB) is a reversible and highly effective weight-loss surgery that involves creating a small stomach pouch and directly connecting it to the small intestine. This bypasses the duodenum and part of the jejunum, resulting in reduced food intake and nutrient absorption. The procedure promotes early satiety (feeling full with less food), curbs appetite, and supports sustained, long-term weight loss.

Who is it Recommended For?

Roux-en-Y Gastric Bypass is especially suitable for individuals who:

Key Advantages

Pre-Surgery Dietary Guidelines

All patients are required to follow a 7-day liquid diet before surgery, prescribed by our expert bariatric nutritionists. This helps reduce liver size, ease surgery, improve outcomes

Post-Surgery Dietary Guidelines

 A structured reintroduction of food is followed:

 This phased approach ensures healing, minimizes complications, and supports sustainable weight loss.

Roux-en-Y gastric bypass (RYGB) is a malabsorptive surgery as a part of the small intestine is bypassed, reducing nutrient absorption. This helps with weight loss but increases the risk of deficiencies.

Lifelong vitamin and mineral supplements are essential, including:
1. Multivitamins
2. Vitamin B12
3. Iron
4. Calcium with Vitamin D

Regular blood tests are needed to monitor levels.

Common digestive changes include:

  • Feeling full quickly
  • Possible food intolerances (especially to sugar, fat, or lactose)
  • Changes in bowel habits (e.g., loose stools, occasional constipation)
  • Some patients may also experience dumping syndrome if they eat sugary or fatty foods, causing nausea, cramps, and diarrhea.

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