Thanks - this is very helpful.
I only had blood drawn at t=0h (before the drink), t=1hr and t=2 hr. The only things analysed were bglucose and insulin levels at t=1 hr and t=2hr. At t=0, I also had cortisol (normal, as were at least 2 tests in previous year), and ACTH IRMA. Kidney. liver, etc...