Shiitake Mushroom - How Many Calories?

Reviewed by Dyt. Şeyda Ertaş, Registered Dietitian Last reviewed: May 16, 2026

Shiitake Mushroom

15 gr
Shiitake Mushroom image
5kcal
Carbohydrate1.02 gr %68
Protein0.33 gr %22
Fat0.07 gr %10

Shiitake Mushroom Nutrition Values

Nutrients100 gr1 1 Piece (Medium)
Calories(kcal)345
Carbohydrate (g)6.81.02
Protein (g)2.20.33
Fat (g)0.50.07
Fiber (g)2.50.38
Cholesterol (mg)00
Sodium (mg)91.35
Potassium (mg)30445.6
Calcium (mg)20.3
Iron (mg)0.40.06
Vitamin A (IU)00
Vitamin C (mg)3.50.53

Nutritional values are based on the USDA database. Natural variations may occur; this information is for informational purposes only and does not constitute medical advice.

Dietitian's Tips for Consuming Shiitake Mushroom

  • Metabolic Effect: Shiitake mushrooms contain beta-glucan compounds that support immune function and help regulate blood cholesterol levels. Their combination of low calories and dietary fiber makes them a practical choice for adding volume to meals without extra energy.
  • Consumption Suggestion: They work well sautéed into omelettes, pasta, or rice dishes, and can partially replace red meat in stir-fry recipes. When fresh shiitake is unavailable, the dried version can be rehydrated in warm water for about 20 minutes before cooking.
  • Things to Consider: Avoid eating shiitake raw; the lentinan compound remains active without heat and can cause skin irritation in some people. Dried and packaged varieties may carry higher sodium levels, so checking the label before buying is a good habit.
  • Exercise Equivalent: Burning the 34 calories in 100 grams of shiitake mushroom takes roughly 10 minutes of moderate-paced walking. A sautéed serving of 150 g (~51 kcal) would require about 15 minutes of the same activity.