五谷雜糧中：蕎麥、玉米、紅薯、大豆等含鉀量較高。
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Of fruits: bananas are richest in potassium.
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Vegetables:菠菜、莧菜、香菜、油菜、甘藍、芹菜、大蔥、青蒜、萵苣、土豆、山藥、鮮豌豆、毛豆等。含鉀較高。
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Seaweeds:富含鉀，如紫菜每100克含鉀1640毫克，含鈉175；海帶含鉀是含鈉的175倍。倍；海帶含鉀是鈉的 22 倍；羊棲菜含鉀是鈉的 3.1 倍。因此，海帶湯、海帶蒸魚、海帶丸子、涼拌海帶、海帶燉肉等都是夏季補鉀菜肴的上品。
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Expanded Information1.鉀是人體中不可缺少的元素，壹般成年人體內含鉀150克。其作用主要是維持神經和肌肉的正常功能。因此，人體壹旦缺鉀，正常運動就會受到影響。
2.鉀是人體生長所必需的營養素。它占人體無機鹽的5%，對維持神經系統的健全和調節心律非常重要。它能預防中風，維持肌肉正常收縮，並與鈉****保持體液平衡。
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