I have two bulging disc in lower back which has caused the core muscles to open therefore i have a fat tummy from under my breast what belt would help?

See below: Bulging discs do not cause your core muscles to bulge and a fat tummy. The amount of bulging is not possible to affect the abdominal contents. See a doctor who specializes in rehabilitation and they can help you strengthen those core muscles and help you get rid of that fat tummy.

Yes: Bulging discs are seen in normal individuals. A routine exercise program can help with lower back pain. See your physician before starting any new exercise program.