Low Carb Diet
Low carb diets have been amongst people with diabetes because they are blood sugar friendly. A low carb diet has less carbohydrate than the average diet.
There is no formal definition, but a diet of less than 130g of carbohydrate a day is regarded as low carb.
Low carb diet: http://www.diabetes.co.uk/diet/low-carb-diabetes-diet.html
Carb counting: http://www.diabetes.co.uk/diet/carbohydrate-counting.html
Low carb and NHS advice: http://www.diabetes.co.uk/diet/low-carb-diets-and-nhs-advice.html