There has been a long history of dietary treatment of diabetes Mellitus. More than 2000 years Acient histories used carolies restriction to control diabeties.
Modern Dieticians today recommend that you eat a typical balanced diet healthy and high in fiber.with variety of fruits and vegetables. The recommendation also includes a diet that is also low in sugar and especially saturated fat. 
An approach that has been popular with some Type One diabetics since 2000 is known as DAFNE (Dose Adjustment for Normal Eating). This approach involves estimating how much carbohydrates there will be in a meal and modifying the amount of insulin one injects before meal accordingly. An equivalent approach has for Type Two diabetics is known as DESMOND, which stands for Diabetes Education and Self-Management for On-Going and Newly Diagnosed (diabetics). DAFNE has its own newsletter and has received recommendation (SOURCE: http://www.dafne.uk.com/).

In the UK, current 2012 NHS diabetes diet advice is that there is no special diet for people with diabetes.
Many people with diabetes still do focus on the carbohydrate content of their meals and consider  a low-carbohydrate diet for tight blood glucose level control.
The  Diabetics UK recommend a healthy, healthy balanced diet  that is low in fat, sugar and salt and contain a high level of fresh fruit and vegetables.

NHS dieticians' advice

MOST recently , top NHS dieticians were reported as providing the following tips for people with diabetes.
Together, these can be said to sum up the NHS approach to controlling type 2 diabetes with diet.

• Eat plenty of starchy carbohydrates
• Eat carbohydrate foods with a low GI
• Avoid high GI foods, especially between meals
• Eat regular meals and healthy snacks
• Don’t miss breakfast
• Don’t skip meals
• Avoid all unhealthy/hydrogenated fats
• Choose low-fat dairy products
• Check food labels
• Choose lean meat and remove fat and skin
• Avoid fried and fast food, and baked goods
• Keep hydrated and avoid binge-drinking

Base meals upon starchy carbohydrate

The NHS advises people, including those with diabetes, to base meals around food with starchy carbohydrate such as:

• Potatoes
• Cereals
• Pasta
• Rice
• Bread

The advice has caused some controversy over people with diabetes. Read more about the debate around NHS carbohydrate advice.www.improvevisionnatully.com

Have plenty of fruit and vegetables

The Department of Health recommends we eat at least 5 portions of fruit and vegetables a day. The 5 portions should ideally be different fruit and vegetables.