How much potassium is in 1 cup of unsweetened soy milk?

386 milligrams of potassium in 1 cup

Typical value: brands differ, so check the label. Check a label

Potassium in other portions of unsweetened soy milk
Portion	Potassium
1 fluid ounce	48 milligrams of potassium in 1 fluid ounce
100 g	158 milligrams of potassium in 100 g

See everything in a serving of Soy milk, unsweetened

Where these numbers come from

USDA FoodData Central, Survey Foods (FNDDS), record 2705405. The source describes it as: Soy milk, unsweetened.

U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 11 October 2026]. Available from https://fdc.nal.usda.gov/. Releases used: Foundation Foods, April 2026; SR Legacy, April 2018; Survey Foods (FNDDS 2021-2023), October 2024.

Data built on 11 October 2026 (data-2026-10-11).

Report an error in a number