Miso soup is AWESOME! When I was doing fat smash with my sister we ate that stuff all the time.
Here is nutrition information it might help you:
http://www.peertrainer.com/DFcalorie...B.aspx?id=7702
Serving Size 1 cup (145g)
Amount per serving
Calories 36 Calories from Fat 0
Total Fat 1g 2%
Saturated Fat 0g 0%
Cholesterol 0mg 0%
Sodium 632mg 26%
Total Carbohydrates 4.9g 2%
Dietary Fiber 0.9g
Sugars 4g
Protein 2g
Vitamin A 0%
Vitamin C 0%
Calcium 0%
Iron 0%
* Percent Daily Values are based on a 2,000 calorie diet
It's low carb and low cal, IMO very good for any diet.