White bread and vegemite vs wholemeal bread and avocado. When two giants of the breakfast world face off to see the glycemic index in action. CORRECTION: Some eagle-eyed viewers recently noticed an error in our Beating Diabetes program. During a scene about how GI affects blood glucose, an incompletely graphically altered shot was broadcast. We used a modified shot because the production team hadn’t captured the 4.8 blood glucose reading in a close up. While the image that was broadcast was unfi