Type 2 diabetes was long described as progressive and permanent. Evidence over the past decade has changed that — for some people, glucose can return to non-diabetic levels without medication.
The language matters. Remission, not cure.
What remission means
Remission is generally defined as HbA1c below the diabetes threshold, sustained for a defined period, without glucose-lowering medication.
It doesn't mean the underlying tendency has gone. Ongoing monitoring is still needed, and relapse is possible — particularly if weight is regained.
Verify and insert: the current consensus definition, including the specific HbA1c cut-point and duration.
What achieves it
Substantial weight loss is the primary driver. Studies of structured weight loss programs have shown meaningful remission rates, with likelihood rising with the amount of weight lost and falling with duration of diabetes.
Bariatric surgery produces the highest remission rates, often with glucose improving before significant weight loss — reflecting hormonal changes rather than weight alone.
The mechanism appears to involve reducing fat in the liver and pancreas specifically. Removing that fat allows insulin production and hepatic glucose regulation to partially recover — which is a large part of why liver fat matters so much in this picture.
What makes it more likely
- Shorter duration since diagnosis — the single strongest predictor
- Greater weight loss achieved
- Higher remaining pancreatic function
- Not yet requiring insulin
Remission is most achievable early. That's an argument for acting promptly after diagnosis rather than waiting to see how things go.
Being realistic
Not everyone achieves remission, and it isn't a reasonable expectation for everyone — particularly with long-standing diabetes or substantially reduced insulin production.
Failing to achieve remission is not treatment failure. Improved glucose control, reduced medication and lower complication risk are substantial outcomes on their own, and are what most people get.
Any remission attempt needs medical supervision. Medication requires adjustment as glucose falls, and doing this unsupervised risks hypoglycaemia. This is not something to attempt alone.
Related: Type 2 diabetes explained · Weight management · Type 2 diabetes and fatty liver Next: Find a GP or diabetes service →
Educational information only. Not a substitute for medical advice — speak to a qualified health practitioner about your circumstances.