Is there a vitamin and mineral deficiency after Gastric Bypass surgeries?

Gastric Bypass Procedures are one of the most frequently performed surgeries in the surgical treatment of obesity all over the world, including our clinic.
In this video, our bariatric surgeon Assoc. Prof. Dr. Abdullah Şişik answers all the questions that come to mind about the Gastric Bypass Procedures. Enjoy the video.
About Assoc. Prof. Dr. Abdullah Şişik
Associate Professor Dr. Abdullah Şişik is a graduate of Ege University Faculty of Medicine. He specializes in general surgery, obesity and metabolic surgery.

Interests
Obesity and Diabetes Surgery (Metabolic Surgery)
Hernia Surgery
Gastrointestinal Diseases and Cancer Surgery (Stomach, Reflux, Colon, Rectum)
Liver and Gallbladder Diseases
Pilonidal Sinus
Proctology (Hemorrhoids, Anal Fissure, Anal Fistula, Perianal Abscess)
Endoscopy (Gastroscopy, Colonoscopy, Rectoscopy)
Education and Expertise

2001 – 2007 Ege Universty (Izmir) Ege Universty Faculty of medicine
2007 - 2013 Ümraniye Training and Research Hospital (Istanbul) General Surgery Specialization, ef: Prof. Dr. Gurhan BAS
2013 - 2014 Bingöl State Hospital General surgery specialist
2014 - Health Sciences University, Ümraniye Training and Research Hospital General surgery specialist
2019- University of Health Sciences, Ümraniye Training and Research Hospital Associate Professor 2019 - International Experance- AZ Sint-Jan Hospital - Bariatric Surgery Fellowship, Prof. Bruno Dillemans