Potassium: what it does & best food sources

What it does — EU-authorised health claims

Wording as authorised in Regulation (EU) No 432/2012 EUR-LexEU Commission

How much do adults need?

• US Recommended Dietary Allowance / Adequate Intake (US National Academies), as published by NIH ODS — see the table above. NIH ODS
• US label FDA Daily Value: 4700 mg. On a US food label, 5 % DV or less per serving is low and 20 % or more is high. FDA
• EU label EU Nutrient Reference Value: 2000 mg. EUR-Lex

Best food sources (per portion)

Food	Portion	Potassium	% US DV	% EU NRV
Potato, unpeeled	200 g	926 mg	20 %	46 %
Sweet potato	200 g	720 mg	15 %	36 %
Edamame (immature soya beans)	100 g	620 mg	13 %	31 %
Hokkaido pumpkin	150 g	611 mg	13 %	31 %
Chicken breast, skinless	150 g	603 mg	13 %	30 %
Broccoli	150 g	594 mg	13 %	30 %
Kale	100 g	576 mg	12 %	29 %
Spinach	100 g	573 mg	12 %	29 %
Brussels sprouts	120 g	565 mg	12 %	28 %
Trout	125 g	523 mg	11 %	26 %
Cod	150 g	510 mg	11 %	26 %
Turkey breast, skinless	150 g	500 mg	11 %	25 %
Salmon	125 g	495 mg	11 %	25 %
Beef mince, lean	125 g	450 mg	10 %	23 %
Alaska pollock	150 g	443 mg	9 %	22 %

Per normal portion. Values from BLS 4.0. % US DV = share of the FDA Daily Value. % EU NRV = share of the EU Nutrient Reference Value.

Sources

• Potassium — fact sheet for health professionals — NIH Office of Dietary Supplements
• Daily Value on the Nutrition and Supplement Facts labels — US Food and Drug Administration
• Regulation (EU) No 1169/2011 on food information (Annex XIII: Nutrient Reference Values; Art. 7(3)) — European Union (EUR-Lex)
• Commission Regulation (EU) No 432/2012 — list of permitted health claims (consolidated) — European Union (EUR-Lex)
• EU Register of nutrition and health claims made on foods — European Commission
• Bundeslebensmittelschlüssel (BLS) 4.0 — German Nutrient Database — Max Rubner-Institut