@Jeukendrup Yep. missed your link. We are on the same page. That last 2 seconds of the video with the "?" gets cut off so the context of the video is very different. Thx for reply
@AndrewD_ChefRD You don't need tracer studies to show a drop in blood glucose. And this will happen in most case for obvious reasons but that doesn't mean that it affects performance. This is why there is a link....