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Potassium-restricted diets

In the body: When the kidneys work poorly, potassium in the blood can climb too high, which can cause heart and muscle problems.

Not rated by dose: a flag on 4 reviewed foods, among them avocado, bananas and Orange juice.

For some people. Allergies, medicines and medical conditions: a flag for the people the source names, no wider.

All hazards

The reference value and where it comes from

  • The agency’s figureno agency dose value
  • Basisadvice for people on potassium-restricted diets (kidney disease)
  • Source Desloovere 2021

Reviewed foods that carry it

4 reviewed foods carry it; none is rated by dose.

How often you can eat it

No food here is rated by dose. Each line says why it’s listed: a flag for the people the source names, advice on handling it, or context.

Flags and context, not rated by dose

  • Avocado, raw

    Context

    173 mg
    per serving

    US food database (USDA Foundation Foods) · grade C

    How it’s rated

    173 mg per 30 g (Foundation) or 152 mg (SR 171706); 392 mg per half fruit (68 g). The pediatric renal nutrition guide lists 'Avocado 75 g (1/2)' at 380 mg per portion among high-potassium fruits (507 mg/100 g). Against 3,400 mg (men) / 2,600 mg (women) adequate intakes. A flag, not a general-reader hazard.

    Intake: one 30 g serving · Level in the food: 576.4 mg/100 g (listed value, n = 8)

  • Banana, raw

    Context

    456 mg
    per serving

    US food database (USDA Foundation Foods) · grade C

    How it’s rated

    Shown as context: one serving carries 456 mg potassium, about 13% of the 3,400 mg adequate intake for men or 17.5% of 2,600 mg for women. Relevant to people with kidney disease or on potassium-raising drugs, not a general hazard. A case report exists, 'Hyperkalemia and hyperdopaminemia induced by an obsessive eating of banana in an anorexia nervosa adolescent' (title only read).

    Intake: one 140 g serving a day · Level in the food: 326 mg/100 g (listed value, n = 6)

  • Medjool dates

    Context

    278 mg
    per serving

    US food database (USDA SR Legacy) · grade C

    How it’s rated

    Shown as context, not rated: this matters for people on a potassium-restricted diet, such as advanced kidney disease. Medjool dates carry 696 mg/100 g (USDA), so a 40 g serving has 278 mg, high for its weight (dried cranberries: 49 mg/100 g); deglet noor is 656 mg/100 g.

    Intake: one 40 g serving · Level in the food: 696 mg/100 g (listed value, n = 2)

  • Orange juice

    Context

    524 mg
    per serving

    US food database (USDA SR Legacy) · grade C

    How it’s rated

    Context for people on a potassium-restricted diet (CKD); one 262 g glass carries about 524 mg. Not rated.

    Intake: one 250 mL glass (262 g) a day, 70 kg adult · Level in the food: 200 mg/100 g (listed value)

Sources