Question: what is the nutritional value of portobello mushrooms?
Answer: Weight gain: The good: This food is low in Sodium, and very low in Saturated Fat and Cholesterol. It is also a good source of Protein, Thiamin, Vitamin B6, Folate, Magnesium, Zinc and Manganese, and a very good source of Dietary Fiber, Riboflavin, Niacin, Pantothenic Acid, Phosphorus, Potassium, Copper and Selenium.