Carbohydrate counters are beneficial for diabetics because diabetics use the carbohydrate-counting meal planning technique to manage their blood glucose levels, according to the American Diabetes Association. The amount of carbohydrates each diabetic needs depends on activity levels and medications, but most start with 45 to 60 grams per meal.
Foods that contain carbohydrates include grains, grain-based food, starchy vegetables, fruit and milk, notes the American Diabetes Association. One small piece of fruit, a half cup of black beans, a 2-inch square brownie, 1 tablespoon of jam or half of an English muffin each contain 15 grams of carbohydrates. Food labels tell diabetics how many grams of carbohydrates are in each portion. The total carbohydrate amount on the label includes sugar, starch and fiber.