Bloating and too much gas after eating.

I'm 21 and I suffer too much gas after eating mid day meal that I've to exercise at evening to release all bloating .same problem with dinner I've walk for 2 hours after eating cause of bloating and gas.. I cut down on dairy and gluten still have severe gas problem , no heart burn only gas ..I can't able to focus on anything because most of my time is wasted in walking and exercise . Problem is too worse that I can't even sit after eating my stomach gets too bloated that I've to walk ...to release gas  I Need help ..some doctors says it's IBS I don't know. I've consulted many doctors also done endoscopy.. took fiber's , omeprazole ..used probiotics... I eat curd daily ..also took supplement of vitamins like D suggested by doctors .. :( I'm doing everything I can ...I'm tired of dealing with this pls any help is appreciated ...I've my whole future ahead of me. I can't let this hold me back  ...plsss help 🙏🙏 plss