I wish I knew more of the symptoms you face other than feeling bad. Are you anemic perhaps? Are iron, magnesium, calcium and more at normal levels? The last 18” of my terminal ileum was removed in ‘93 due to Crohn’s. This hardly absorb A, D, K & most of all B-12. So Dr. let’s me self-inject B-12 2x per month. Goes right to target instead of trying to be absorbed by missing ileum. My GB removed. All such surgery results in scaring and perhaps narrowing digestive tract which along w/ CD damage resulting in episodic severing cramping. Finally figured out that was caused by my diet. Too figured. I cut out all fruit, veggies, (even canned) nuts, fries, yes bananas, pulpy products, In-In-Out Burgers, fast food generally, That leaves meat, fish, poultry, eggs and a lot of processed junk Twenty plus years now but maybe 4-5 cramping episodes. It’s a mechanical matter. Ping pong ball no fit down garden hose. Hey, why do so many GI doctors - after a first visit - want to get you on the cutting board?