Portobello Mushroom Nutrition Facts

Calories, fat, protein, and carbohydrate values for Portobello Mushroom.


There are 15 calories in Portobello Mushroom.


Nutrition Facts
Portobello Mushroom
Serving Size:


mushrrom cap (50 grams)

Amount Per Serving
Calories from Fat 2.6
Calories 15

% Daily Value*

Total Fat 0.3 grams

Saturated Fat 0 grams

Trans Fat 0 grams
Polyunsaturated Fat 0.1 grams
Monounsaturated Fat 0 grams

Cholesterol 0 milligrams

Sodium 5.5 milligrams

Potassium 220 milligrams

Total Carbohydrates 2.2 grams

Dietary Fiber 1.1 grams

Sugars 1.1 grams
Protein 1.7 grams

Vitamin A


Vitamin C





Percent Daily Values are based on a 2000 calorie diet.

Food / Beverages > Produce > Mushrooms > Portabella Mushrooms (Fresh)

How long would it take to burn off 15 KCal?
Walking (3mph) 4 minutes
Running (6mph) 1 minutes
Bicycling (10mph) 2 minutes
Values estimated based on person weighing 140 lbs.

What’s the difference between a portobello mushroom and a regular mushroom?

THEY ARE LITERALLY THE SAME TYPE OF MUSHROOM. They are all Agaricus bisporus, in fact, just different ages: button mushrooms, which are white, are the toddlers; cremini mushrooms, which are brown, are the teenagers; and portobellos, which are brown and much larger versions of their younger selves, are the adults.

Additional Information

The portobello mushroom is a culinary delight that not only adds depth and flavor to a variety of dishes, but also offers numerous health benefits. Derived from the mature form of the mushroom species Agaricus bisporus, the portobello mushroom is a brown, meaty mushroom with a rich umami flavor. In this expert article, we will explore the characteristics, benefits, and drawbacks of this versatile mushroom.

Characteristics of the Portobello Mushroom

The portobello mushroom is distinguished by its unique characteristics:

  1. Size and texture: Portobello mushrooms are larger in size than their younger counterparts, such as button and cremini mushrooms. With a firm texture, they hold up well to a variety of cooking methods.
  2. Flavor Profile: Portobello mushrooms offer a robust, earthy flavor often described as meaty. They have a unique umami flavor that adds depth to dishes.
  3. Nutritional Profile: Portobello mushrooms are not only delicious, but also a nutritional powerhouse. They are low in calories, fat and carbohydrates while providing essential nutrients.

Portobello Mushroom Benefits

Eating portobello mushrooms can provide several health benefits:

  1. Rich in nutrients: Portobello mushrooms are a good source of several nutrients, including potassium, which supports heart health, and fiber, which aids digestion.
  2. Antioxidant properties: These mushrooms contain antioxidants such as selenium and ergothioneine, which help protect your cells from damage caused by free radicals.
  3. Vitamin D: Portobello mushrooms are one of the few plant-based sources of vitamin D. This essential vitamin plays a critical role in bone health, immune function, and overall well-being.
  4. Weight Management: Low in calories and fat, portobello mushrooms can be a valuable addition to a weight management diet. They provide a satisfying, meaty texture without adding excessive calories or unhealthy fats.
  5. Vegetarian-friendly protein: Portobello mushrooms are a good source of plant-based protein, making them an excellent option for vegetarians and vegans looking to meet their protein needs.
  6. Culinary versatility: Portobello mushrooms can be grilled, roasted, stuffed, or used as a meat substitute in a variety of dishes. Their robust flavor and substantial texture make them a popular ingredient in vegetarian burgers, stir-fries, salads, and more.

Disadvantages of the Portobello Mushroom

While Portobello mushrooms offer numerous benefits, it is important to consider their drawbacks:

  1. Allergies: Some people may be allergic to mushrooms, including portobellos. If you have a known mushroom allergy, it is best to avoid eating them.
  2. Food sensitivities: Portobello mushrooms are a member of the mushroom family and some people may experience sensitivities or digestive problems when eating them. It is wise to listen to your body and consult a health care professional if you experience any adverse reactions.


The portobello mushroom is a versatile ingredient that adds flavor, texture, and nutritional value to your meals. With its rich umami flavor, low calorie content, and several health benefits, it is a fantastic choice for those looking to enhance their culinary creations while maintaining a healthy lifestyle. However, those with allergies or sensitivities should exercise caution. So the next time you’re planning your menu, consider incorporating the mighty Portobello mushroom to take your dishes to the next level.

Questions and Answers

What is the difference between a portobello mushroom and a regular mushroom?

Portobello mushrooms and regular mushrooms, such as button mushrooms or cremini mushrooms, are actually the same species, Agaricus bisporus, at different stages of maturity. Button mushrooms are the youngest, followed by cremini mushrooms, and portobellos are the mature form of the same mushroom. The main difference lies in their size, with portobellos being larger and more robust in flavor.

What are the nutritional benefits of portobello mushrooms?

Portobello mushrooms offer several nutritional benefits. They are low in calories, fat, and carbohydrates, while providing essential nutrients such as potassium, fiber, and antioxidants. They are also a good source of plant protein and contain vitamin D, which is rare in plant foods. Including portobello mushrooms in your diet can support heart health, aid in digestion, and help with weight management.

Can portobello mushrooms be used as a meat substitute in vegetarian dishes?

Absolutely! Portobello mushrooms have a meaty texture and rich umami flavor, making them an excellent meat substitute in vegetarian and vegan dishes. They can be used as a burger patty, grilled or roasted as a steak alternative, or sliced and added to stir-fries, salads, and sandwiches. Their versatility allows for creative and satisfying plant-based meals.

How should I store and cook Portobello mushrooms?

To store portobello mushrooms, place them in a paper bag or loosely sealed container in the refrigerator. Avoid storing them in plastic bags, which can trap moisture and accelerate spoilage. To prepare, first gently wipe off any dirt or debris with a damp cloth or paper towel. You can then remove the stem if desired and scrape off the gills, although they are edible. Portobello mushrooms can be grilled, roasted, sautéed, or used in a variety of recipes, depending on your preference.

Are there any possible allergic reactions or sensitivities associated with Portobello mushrooms?

While portobello mushrooms are generally safe to consume, some people may be allergic to mushrooms, including portobello mushrooms. If you have a known mushroom allergy, it is best to avoid eating them. In addition, some people may experience sensitivities or digestive problems when consuming mushrooms. If you experience any adverse reactions after consuming portobello mushrooms, it is advisable to consult a healthcare professional.