As she lost weight, she was able to cut back on her diabetes drugs.
A few years ago a diabetes drug called Glucophage came on the market.
Using it along with diabetes drugs could make blood sugar levels drop too low.
Some £725m was spent on diabetes drug in 2010-11 - 8.4% of the total bill.
Even if you don't take metformin, you've probably heard of this popular diabetes drug.
The market for diabetes drugs, which has long been competitive, should be vicious by the end of the year.
He said he has been taking diabetes drugs for seven years.
"The trials were designed like any other clinical trial for a diabetes drug," he said.
I'm pretty turned off by the fact that she's promoting a diabetes drug too.
She landed work with a company that sold a diabetes drug.