Everybody has a need for magnesium and MOST people are deficient. Searches will give you a less dramatic percent, but those are measuring serum magnesium, while

Everybody has a need for magnesium and MOST people are deficient. Searches will give you a less dramatic percent, but those are measuring serum magnesium, while the important number is red blood cell magnesium. I don't know if that's enough for everyone, but the other major factors are also evident: excess weight, lack of exercise, chronic high blood sugar, etc.