the negative aspects of pre and intra shakes is that blood goes to the stomach to digest the food when it is needed in the muscle being worked.
True to a degree.
That’s one advantage to the current line of carb drinks like Waxy Maize.
WM’s molecular weight yields a rapid gastric emptying so that its carbs – and whatever you mix with it – enter the small intestine, which leads to faster entry into the bloodstream.
It spends very little time in the stomach.