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Vegetables

Potato

Rich in Vitamin C

Overview

Why eat a potato?

Potatoes have a reputation as plain starch, but a medium one delivers more potassium than a banana's worth, nearly half a day's vitamin C, and a solid dose of vitamin B6 for only 164 calories. Keep the skin on and they bring useful fiber too.

Good to know: Most of the fiber sits in the skin, and how you cook a potato matters more than the potato itself: frying or loading it with butter adds far more fat and calories than the 0.09 g of fat it starts with.

  1. Serious potassium source

    One medium potato supplies 905 mg of potassium, 19% of the Daily Value, a mineral that helps balance sodium and supports healthy blood pressure.

  2. Unexpected vitamin C

    At 19.7 mg per 100 g, potatoes cover 22% of the Daily Value for vitamin C, which supports immune function and helps the body build collagen.

  3. B6 and fiber together

    A medium potato gives 37% of the Daily Value for vitamin B6, used in protein metabolism, plus 4.5 g of fiber that feeds gut bacteria.

Overview drafted with AI from USDA FoodData Central figures. For education, not medical advice.

Nutrition facts

What’s in a potato?

Calories

77kcal

Protein

2g

Carbs

17g

Fat

0.09g

Fiber

2.1g

Sugars

0.82g

Minerals

  • Calcium12 mg1%
  • Iron0.81 mg5%
  • Magnesium23 mg5%
  • Phosphorus57 mg5%
  • Potassium425 mg9%
  • Sodium6 mg0%
  • Zinc0.3 mg3%
  • Copper0.11 mg12%
  • Selenium0.4 µg1%

Vitamins

  • Vitamin C20 mg22%
  • Vitamin E0.01 mg0%
  • Vitamin K2 µg2%
  • Thiamin (B1)0.08 mg7%
  • Riboflavin (B2)0.03 mg2%
  • Niacin (B3)1.1 mg7%
  • Vitamin B60.3 mg18%
  • Folate15 µg4%

% Daily Value is based on FDA reference amounts for adults. Bars cap at 100%.

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How does potato stack up?

See Potato next to Onion, Zucchini & Sweet Corn, nutrient by nutrient.

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Nutrition side by side

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Source: USDA FoodData Central, “Potatoes, flesh and skin, raw” (SR Legacy, FDC ID 170026).View the USDA record ↗ (opens in a new tab).