Gastric Sleeve vs Gastric Bypass

This article was medically reviewed by Prof. Dr. Ahmet Türkoğlu

Gastric Sleeve Pros and Cons


  • Less complex surgery.
  • Lower risk of vitamin and mineral deficiencies.
  • Significant weight loss and health improvement.


  • Irreversible.
  • Potential for weight regain over time.
  • Risk of acid reflux in some patients.

Gastric Bypass Pros and Cons


  • Often results in slightly more initial weight loss.
  • Reduction in hunger and calorie absorption.
  • Improvement in obesity-related conditions like diabetes.


  • More complex surgery with potentially higher risk of complications.
  • Higher risk of nutritional deficiencies.
  • Requires strict adherence to dietary guidelines.

Reyap Hospital – Istanbul, Turkey

Reyap Hospital Exterior Design
Reyap Hospital Interior Design

FaQ – Gastric Sleeve vs Gastric Bypass

Both surgeries are effective for long-term weight loss. Gastric bypass often results in slightly quicker and more significant weight loss initially, but both procedures show good long-term outcomes.

Weight loss typically starts immediately after both surgeries. Gastric bypass patients might see faster weight loss in the first year, but the long-term results are comparable for both procedures.

Recovery from gastric sleeve surgery is usually quicker as it’s less invasive. Gastric bypass patients might experience a longer recovery due to the complexity of the procedure.

Gastric sleeve is considered irreversible. Gastric bypass can sometimes be reversed or modified, but reversal is a complex procedure and not commonly done.

The financial aspects, including insurance coverage and out-of-pocket expenses, are important factors for many.

Personalized advice based on individual health profiles, weight goals, and lifestyle is often sought after.

Stay Connected With Us

Reyap Hospital provides 7/24 health care services by its qualified doctors and staff within international standards.