Thanks, Terry; you and Annabella are confirming what I suspected about the IOB. And her explanation about correction makes sense in the results I have seen; your approach seems similar. I guess I've instinctively been doing it right and then stopped and thought about it and wasn't sure why it was right!
Hi Zoe, glad I could help.
Like Terry, I often split the dose before a combo. If I need a correction at dinner time I bolus for the correction, then do a combo for the food, which is normally just carbs. So far I haven't really started experimenting with the TAG concept.
I agree with your reply, Terry.