116 milligrams of potassium in 1 cup shredded
| Portion | Potassium |
|---|---|
| 1 leaf inner | 15 milligrams of potassium in 1 leaf inner |
| 1 leaf outer | 69 milligrams of potassium in 1 leaf outer |
| 1 head | 1,546 milligrams of potassium in 1 head |
| 1 serving | 210 milligrams of potassium in 1 serving |
| 100 g | 247 milligrams of potassium in 100 g |
USDA FoodData Central, SR Legacy, record 169247. The source describes it as: Lettuce, cos or romaine, raw.
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).
