Gestational diabetes blood test

Q&A Between Michelle & Changing Habits M: Do you know of any alternatives that can be eaten/drunk before doing the gestation diabetes blood test? The drink that is standard contains a list of preservatives, colours and flavours, that I am not happy about...

Pregnancy and dietary recommendations.

The last time I was pregnant was about 17 years ago and there was no hint from the obstetrician that I should stay away from any food.  Alcohol and Smoking obviously were avoided ( it astounds me that some mothers still do both while pregnant) but diet was not...