The diabetic weight loss diet is very similar to any other weight loss diet. But donât go under less than 1200 calories. The most important bottom line is you must eat less & burn more calories. The calories are calculated by age, sex, physical activity & weight. Carbohydrates would typically take only by 50% of daily calories as a low carbs intake is associated with low blood sugar levels. Portion control is essential to keep ur blood sugar regulates.