For under 100 calories, a serving of 4 prunes has:

3 g fiber (11% Daily Value)

At 3 g per serving, prunes are a good source of fiber. Fiber has been identified by the Dietary Guidelines Advisory Committee (DGAC) as a nutrient of public health concern, as under-consumption of fiber has been linked to unfavorable health conditions.

280 mg potassium (6% Daily Value)

Potassium was also identified by the DGAC as a nutrient of concern. Potassium helps muscles contract (including the heart), regulates water and mineral balance, and may play a role in maintaining healthy bones.

23 mcg of vitamin K (20% of the Daily Value)

Prunes are an excellent source of vitamin K, which is important for blood clotting and bone metabolism.

Additional Nutritional Information

  • No added sugar.
  • No cholesterol, no sodium and no fat.
  • Prunes also have magnesium, riboflavin, niacin and B6, which contribute to a nutritious diet when eaten consistently over time.

The below Nutrition Facts label is based on the U.S. Department of Agriculture, Agricultural Research Service, FoodData Central, 2019 found at fdc.nal.usda.gov. Values have been rounded to reflect current regulations. Nutrition Facts labels for branded products may differ.

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