Oral Supplementation of Glutamine on Gastric Cancer Patients After Gastrectomy

This study is looking at whether taking glutamine supplements by mouth after stomach removal surgery (gastrectomy) for gastric cancer can help patients recover faster and reduce complications. Gastrectomy is a major surgery and the digestive system needs support to heal — glutamine is an amino acid important for gut repair. **You may be eligible if...** - You are an adult with gastric cancer who has recently undergone a gastrectomy (stomach removal surgery) **You may NOT be eligible if...** - You have liver failure or kidney failure - You cannot tolerate oral or tube feeding within 7 days after surgery - You cannot undergo a CT scan - You cannot wear the wearable monitoring devices used in the study Talk to your doctor to see if this trial is right for you.