Low carb maintenance is usually 60 – 90 – 120 grams of carbohydrate per day. Low carb weight loss is usually 10-20 grams of carbohydrate per feeding, with 1-2 feedings per day. Some patients need to cut their carbs to 5-10 grams per feeding to lose weight. What’s more important, carbohydrate or calorie intake? If you calories are under 1500, the fewer carbs you eat, the faster you are going to lose weight.