Oats Nutrition Facts

FoodData Central Updated 30 March 2026

Oats contains 307 calories, 10.7g protein, 54.8g carbs, and 5.3g fat. Whole grain cereal known for heart health benefits and cholesterol reduction.

307

cal

54.8g

carbs

10.7g

protein

amino acids ↓

5.3g

fat

8.2g

fiber

0.8g

sugar

Vitamins in Oats

Per 1 cup dry ~81g

Vitamin E
0.34mg
2%
Vitamin K
1.62mcg
1%
Vitamin B6
0.08mg
5%
Thiamin (B1)
0.37mg
31%
Niacin (B3)
0.91mg
6%
Folate
25.9mcg
6%

Minerals in Oats

Per 1 cup dry ~81g

Calcium
42.1mg
3%
Iron
3.44mg
19%
Magnesium
112mg
27%
Phosphorus
332mg
27%
Potassium
293mg
6%
Sodium
4.86mg
<1%
Zinc
2.95mg
27%
Selenium
23.4mcg
43%
Copper
0.32mg
35%
Manganese
2.94mg
128%

Amino Acids in Oats

Protein breakdown per 1 cup dry (81g), from the USDA record for this food.

Complete protein

Oats supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per 1 cup dry (81g) Per 100g % of Protein
Histidine 223mg 275mg 2.1%
Isoleucine 407mg 503mg 3.8%
Leucine 794mg 980mg 7.5%
Lysine 516mg 637mg 4.8%
Methionine 168mg 207mg 1.6%
Phenylalanine 539mg 665mg 5.1%
Threonine 309mg 382mg 2.9%
Tryptophan 147mg 182mg 1.4%
Valine 557mg 688mg 5.2%
Other Amino Acids Per 1 cup dry (81g) Per 100g % of Protein
Alanine 456mg 563mg 4.3%
Arginine 689mg 850mg 6.5%
Aspartic Acid 986mg 1217mg 9.3%
Cystine 369mg 455mg 3.5%
Glutamic Acid 2292mg 2830mg 21.5%
Glycine 520mg 642mg 4.9%
Proline 365mg 451mg 3.4%
Serine 571mg 705mg 5.4%
Tyrosine 320mg 395mg 3%

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 Oats

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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.