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What vitamins and minerals are in walnuts?

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One serving of walnuts is 1 ounce, or about 7 walnuts. A serving of walnuts has:

  • Up to 3% of your daily recommended amount of calcium
  • Up to 10% of your daily iron
  • Up to 5% of your daily potassium
  • Up to 14% of your daily magnesium
  • 7% of your daily folate

From: Health Benefits of Walnuts WebMD Medical Reference

SOURCES:

University of California, Davis: “Walnuts in California.”

California Walnut Commission: “Walnut Industry - History,” “To Understand Walnut Flavor, Get Under the Skin.”

Harvard Medical School: “Health Benefits of Walnuts,” “How to Eat Nuts the Healthy Way.”

American Institute for Cancer Research: “Walnuts.”

Mayo Clinic: “Nuts and Your Heart: Eating Nuts for Heart Health,” “Folate (Folic Acid).”

Cleveland Clinic: “Nutrition: Nuts & Heart Health.”

U.S. Department of Agriculture Agricultural Research Service: “Basic Report:  12155, Nuts, Walnuts, English.”

National Institutes of Health Office of Dietary Supplements: “Calcium,” “Iron,” “Potassium,” “Magnesium.”

Michigan State University Extension: “Preserving Fresh Walnuts to Maintain Nutritional Content.”

The University of Manchester: “Allergy information for: Walnut (Juglans Regia).”

Reviewed by Christine Mikstas on August 15, 2019

SOURCES:

University of California, Davis: “Walnuts in California.”

California Walnut Commission: “Walnut Industry - History,” “To Understand Walnut Flavor, Get Under the Skin.”

Harvard Medical School: “Health Benefits of Walnuts,” “How to Eat Nuts the Healthy Way.”

American Institute for Cancer Research: “Walnuts.”

Mayo Clinic: “Nuts and Your Heart: Eating Nuts for Heart Health,” “Folate (Folic Acid).”

Cleveland Clinic: “Nutrition: Nuts & Heart Health.”

U.S. Department of Agriculture Agricultural Research Service: “Basic Report:  12155, Nuts, Walnuts, English.”

National Institutes of Health Office of Dietary Supplements: “Calcium,” “Iron,” “Potassium,” “Magnesium.”

Michigan State University Extension: “Preserving Fresh Walnuts to Maintain Nutritional Content.”

The University of Manchester: “Allergy information for: Walnut (Juglans Regia).”

Reviewed by Christine Mikstas on August 15, 2019

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