1 December 2007

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Anonymous said...


Your article says that tea may reduce glucose levels for a time after drinking tea. The mechanism is the raising of insulin levels.

I thought that at least one of the important reasons for eating low GI is to avoid high insulin levels. I note that the experiment is not conclusive, however if true, should one then avoid tea, or is preventing spiking more important than preventing high insulin levels please

GI Group said...

From one of our GI Group dietitians:
'We know that some foods have a low GI because they increase insulin secretion (eg, dairy). I am not aware of any detrimental effects of post-prandial insulin secretion – the ability to release insulin quickly and in sufficient quantities after a meal is actually a positive. Long-term elevations in basal insulin levels are the problem probably underlying insulin resistance. Therefore I think that having a cuppa with a meal is probably a good thing metabolically. Certainly the epidemiological evidence would support this.'