Keep a food diary to keep track of the food you eat and your carb intake. The daily carb intake for male diabetics recommended by the American Diabetes Association varies between 135 and 180 grams for your three basic meals along with up to 60 to 90 grams of extra carbohydrates at snack time.eeping your daily carb intake to 20 grams a day helped significantly decrease the average blood-sugar levels and triglyceride levels within two weeks, according to a study published in 2005 in the Annals of Internal Medicine..