Portabella Mushrooms Nutrition Facts

FoodData Central Updated 6 April 2026

One cup of portabella mushrooms contains 35.1 calories, 4g protein, 5.4g carbs, and 0.7g fat. Portabella Mushrooms is a vegetable that is very low in calories. It is rich in potassium.

35.1

cal

5.4g

carbs

4g

protein

amino acids ↓

0.7g

fat

2.7g

fiber

2.7g

sugar

Vitamins in Portabella Mushrooms

Per Cup sliced ~121g

Vitamin D
15.9mcg
79%
Vitamin B6
0.15mg
9%
Thiamin (B1)
0.08mg
7%
Niacin (B3)
7.57mg
47%
Folate
23mcg
6%

Minerals in Portabella Mushrooms

Per Cup sliced ~121g

Calcium
3.63mg
<1%
Iron
0.48mg
3%
Magnesium
15.7mg
4%
Phosphorus
163mg
13%
Potassium
529mg
11%
Sodium
13.3mg
<1%
Zinc
0.79mg
7%
Selenium
26.5mcg
48%
Copper
0.47mg
52%
Manganese
0.08mg
4%

Amino Acids in Portabella Mushrooms

Protein breakdown per cup sliced (121g), from the USDA record for this food.

Incomplete protein

Limiting amino acid: Methionine + Cystine — 71% of the FAO/WHO adult reference pattern per gram of protein.

Essential Amino Acids Per cup sliced (121g) Per 100g % of Protein
Histidine 92mg 76mg 2.3%
Isoleucine 129mg 107mg 3.3%
Leucine 207mg 171mg 5.2%
Lysine 192mg 159mg 4.8%
Methionine 46mg 38mg 1.2%
Phenylalanine 121mg 100mg 3%
Threonine 161mg 133mg 4.1%
Tryptophan 57mg 47mg 1.4%
Valine 121mg 100mg 3%
Other Amino Acids Per cup sliced (121g) Per 100g % of Protein
Alanine 266mg 220mg 6.7%
Arginine 129mg 107mg 3.3%
Aspartic Acid 351mg 290mg 8.8%
Cystine 16mg 13mg 0.4%
Glutamic Acid 506mg 418mg 12.7%
Glycine 152mg 126mg 3.8%
Proline 121mg 100mg 3%
Serine 145mg 120mg 3.7%
Tyrosine 22mg 18mg 0.5%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Portabella Mushrooms

Similar Foods

Compare Portabella Mushrooms with other vegetables.

Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.