alt Hacker News> the current "It's got electrolytes" craze
The modern emphasis on electrolytes is directionally correct but ultimately silly. Most electrolyte satchets and drinks are just overpriced salt water with artificial flavoring and sweeteners. The majority of the Western world actually fails to meet their recommended intake of potassium and magnesium. The former is rare in beverages because of its bitter taste and possible drug interactions. Magnesium is also used somewhat sparingly because certain forms create GI distress. This is very unfortunate since both of these minerals are essential to overall health and of great benefit to the cardiovascular and circulatory systems when taken in recommended amounts.
I dump Lite Salt (potassium and sodium chloride in equal amounts), Stevia, and powdered grapefruit into a bottle and shake to make my own electrolyte drink. It's dirt cheap and tastes like flat Fresca.
Replies
My quality of life improved by a significant amount when I started supplementing magnesium. Better sleep and a bunch of other things. It's actually scary how much of a difference something so simple (and cheap) made.
I believe that it is undesirable to ingest excessive amounts of chlorides.
Normally, the amount of chloride intake should not exceed the amount of sodium intake, i.e. one should not ingest other chlorides except table salt. The normal amount of chloride in the body is less than that of sodium, a part of the sodium ions being neutralized by bicarbonate anions. Any excess chloride requires additional work for the kidneys, to eliminate it from the body. Excreting chloride is also likely to take with it some of the useful metallic cations that you have supplemented.
Other metallic cations than sodium should be combined with organic anions, i.e. one should ingest their salts made with organic acids chosen from normal nutrients.
Good choices are potassium citrate (one of the cheapest organic acids that is also a normal component of food) and magnesium bisglycinate (because the magnesium salts of cheaper organic acids, like citric acid, are not soluble in water, while magnesium bisglycinate not only is soluble in water, but it also does not form solid precipitates with other components of food, which would prevent its absorption in the gut).
Both potassium citrate and magnesium bisglycinate can be found as cheap pure powders, which are preferable to any other forms, like capsules, which contain useless excipients for which there is no reason to be introduced in your body.
Besides sodium, the only other exception to the rule of using salts of organic acids is calcium, which can be supplemented as calcium phosphate or bone meal. However, calcium phosphate powder is not soluble in water, so unlike sodium and magnesium salts powders it cannot be put in drinking water, but it should be mixed like table salt in some solid food, before eating it.