Roux-en-Y gastric bypass is suitable for individuals with a BMI (Body Mass Index) of 40 or higher, or for those with a BMI of 35 or higher who also suffer from severe obesity-related health conditions such as type 2 diabetes, hypertension, or severe sleep apnea. Candidates should be ready to commit to significant lifestyle changes and follow a strict nutritional regimen post-surgery.

BMI of 40 or higher:
This surgery is recommended for individuals with severe obesity (BMI ≥ 40).
BMI of 35 or higher with obesity-related health conditions:
For those with a BMI ≥ 35, this procedure is considered if the individual suffers from severe obesity-related health conditions such as:
- Type 2 diabetes
- Hypertension
- Severe sleep apnea