Soy Milk Nutrition Facts

FoodData Central Updated 30 March 2026

Soy Milk contains 131.2 calories, 7.9g protein, 15.3g carbs, and 4.3g fat. A creamy plant milk pressed from soybeans, mildly beany in flavor and higher in protein than most dairy alternatives.

131.2

cal

15.3g

carbs

7.9g

protein

amino acids ↓

4.3g

fat

1.5g

fiber

9.7g

sugar

Vitamins in Soy Milk

Per 1 cup ~243g

Vitamin E
0.27mg
2%
Vitamin K
7.29mcg
6%
Vitamin B6
0.19mg
11%
Thiamin (B1)
0.15mg
12%
Niacin (B3)
1.25mg
8%
Folate
43.7mcg
11%

Minerals in Soy Milk

Per 1 cup ~243g

Calcium
60.8mg
5%
Iron
1.56mg
9%
Magnesium
60.8mg
14%
Phosphorus
126mg
10%
Potassium
287mg
6%
Sodium
124mg
5%
Zinc
0.29mg
3%
Selenium
11.7mcg
21%
Copper
0.31mg
35%
Manganese
0.54mg
24%

Amino Acids in Soy Milk

Protein breakdown per 1 cup (243g), from the USDA record for this food.

Incomplete protein

Limiting amino acid: Methionine + Cystine — 38% of the FAO/WHO adult reference pattern per gram of protein.

Essential Amino Acids Per 1 cup (243g) Per 100g % of Protein
Histidine 148mg 61mg 1.9%
Isoleucine 277mg 114mg 3.5%
Leucine 452mg 186mg 5.7%
Lysine 318mg 131mg 4%
Methionine 66mg 27mg 0.8%
Phenylalanine 275mg 113mg 3.5%
Threonine 262mg 108mg 3.3%
Tryptophan 92mg 38mg 1.2%
Valine 284mg 117mg 3.6%
Other Amino Acids Per 1 cup (243g) Per 100g % of Protein
Alanine 253mg 104mg 3.2%
Arginine 454mg 187mg 5.7%
Aspartic Acid 700mg 288mg 8.8%
Cystine 0mg 0mg 0%
Glutamic Acid 1183mg 487mg 14.9%
Glycine 250mg 103mg 3.1%
Proline 357mg 147mg 4.5%
Serine 340mg 140mg 4.3%
Tyrosine 216mg 89mg 2.7%

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 Soy Milk

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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.