A one-ounce serving of dark chocolate that's 70 percent cacao or greater contains about 160mg of potassium; it also has epicatechin, which is good for the brain and the muscles. Almond milk has only about 167mg of potassium per cup, as opposed to whole cow's milk, which contains 322mg per cup. Healthy oils used in moderation can also spruce up meals. Flaxseed oil is most popular on a low-potassium diet, as it has none of the mineral.

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