Well, 3,500 mg was the RDA in US for quite a while. Then the dietitians raised it to 4,500 milligrams a day. Some anthropologists have suggested that our hunter/gather ancestors who were far more active than we are now, and perhaps they consumed 7,500 a day!
If you are tiny and don't weigh much it might not be so critical. The more active a person, and larger, the need would be higher.
This is a really good article:
http://www.emedicinehealth.com/low_p...article_em.htm
Mostly low potassium would make you tired and weak, and perhaps give some muscle cramping at night.
People who have loose stools alot or diarrhea, will lose potassium from the bowel.
I think the "zaps" are more likely magnesium based. Fixing magnesium really can help that.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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