Paul Saladino· MD
I don't know who does mononuclear blood cell magnesium that's the only test I know of that has been validated against IV magnesium load test to a match
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
I don't know who does mononuclear blood cell magnesium that's the only test I know of that has been validated against IV magnesium load test to a match
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but you're really not looking at Gold Standard tests like mononuclear blood cell which is the only blood magnesium test that's actually been standardized to match IV magnesium load test
with any nutrient you always want to have two measurements whether it be Blood Plus urine or mononuclear cell plus blood you always want to have at least two measurements to sort of try to indicate if you are deficient or not
if you raise the cutoff on blood magnesium to a more optimal cut off blood can actually be a fairly good indicator so the typical cut off for magnesium deficiency is less than 1.7 milligrams per deciliter but our review paper showed that if you're less than two milligrams per deciliter and you have a low urinary magnesium that is very highly indicative of magnesium deficiency
we don't have great ways to measure magnesium