 even when these were healthy people right and even when the blood test look like they were healthy when they dug a little deeper the magnesium levels were depleted so what do we do fifty to eighty percent of us are not getting enough magnesium in our diet it's called a subclinical deficiency you know they have two types of deficiencies and it's kind of an interesting term they call it a Frank deficiency that scurvy if you don't have enough vitamin C