Hi Potassium is affected by magnesium , both are electrolytes. Ideally it should be at 4.0. Only take in food without weekly blood tests and on a script. It is a very dangerous substance if just taken.
No-one's suggesting that anyone 'just take' it. It says in the article that it's affected by magnesium and that improving magnesium levels can improve potassium levels.
Hi There is a home machine for measuring Potassium but completely unreliable and expensive. Best to have U`s and E`s done regularly as no way of telling otherwise. Magnesium should be done separately if Potassium very low or high.
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