Asparagus being just one of them!… From healtwholeness.com Potassium is an essential nutrient that is, thankfully, naturally present in many foods. It is also readily available as a dietary supplement to boost your potassium intake. Potassium is required for normal cell function because of its role in maintaining intracellular fluid volume and transmembrane electrochemical gradients. […]
17 Potassium Rich Foods That Pack More Than a Banana — Rangitikei Environmental Health Watch
Magnesium is in an issue in NZ soils, pumpkin seeds are a great source of magnesium.