references
  
      USDA National Nutrient Database for Standard Reference: Nutrient Lists
    
      Office of Dietary Supplements: Magnesium
    
      Univeristy of Maryland Medical Center: Potassium
    
      Transport Information Service: Brazil Nuts

Image Credit: olgaman/iStock/Getty Images

Image Credit: olgaman/iStock/Getty Images

A close-up of a woman eating a handful of almonds.

Image Credit: Katie Nesling/iStock/Getty Images

Image Credit: Katie Nesling/iStock/Getty Images

Roasted cashews in a bowl with a wooden scoop.

Image Credit: tycoon751/iStock/Getty Images

Image Credit: tycoon751/iStock/Getty Images

A basket of brazil nuts at the market.

Image Credit: Gyuszko/iStock/Getty Images

Image Credit: Gyuszko/iStock/Getty Images

A small bowl of pistachio nuts on a wooden background.

Image Credit: Baiba Opule/iStock/Getty Images

Image Credit: Baiba Opule/iStock/Getty Images

Pumpkin seeds in a glass dish on a table.

Image Credit: Elena Elisseeva/Hemera/Getty Images

Image Credit: Elena Elisseeva/Hemera/Getty Images

      USDA National Nutrient Database for Standard Reference: Nutrient Lists
    
      Office of Dietary Supplements: Magnesium
    
      Univeristy of Maryland Medical Center: Potassium
    
      Transport Information Service: Brazil Nuts