|From the 1996 FDA Science Forum. Abstract.
N.A. Littlefield and B.S. Hass
NCTR, FDA, Jefferson AR 72079
Since magnesium (Mg), an essential nutrient, is
abundant in the environment and food supply, it
is generally assumed that Mg deficiency is not a
problem. However, the literature indicates that
deficiencies may exist in both thirdworld and industrialized
nations and may influence cardiac and vascular diseases,
diabetes, bone deterioration, renal failure, hypothyroidism,
and stress. Because Mg in certain forms is not easily
absorbed and no classical symptoms exist, the problem
of Mg deficiency is readily masked, especially in
high risk groups such as diabetics, alcoholics,
those taking hypertension medication, and some athletes.
The current Recommended Daily Allowance (RDA) for
the US is 6 mg/Kg/day, which translates to 420 mg
for a 70 Kg man. The estimated intake in the US
is 300 mg/day. Studies show that as much as 3 times
this amount may be needed by the general population
and especially by those predisposed to cardiac disease
states. This report summarizes recent research on
Mg in human diets and the results of Mg deficiencies.