This is a study to trial a dahlia extract in men with pre-diabetes and diabetes (taking metformin only) to see if it lowers blood glucose levels. It requires 3 visits to Wellington Regional Hospital for 3 hours each time. You may be eligible if you are:
- Are diet controlled or take metformin only for diabetes
- Aged between 18 and 80
- Have an HbA1c between 45 and 60