Improved insulin response and action by chronic magnesium administration in aged NIDDM subjects - PubMed (original) (raw)

Clinical Trial

Improved insulin response and action by chronic magnesium administration in aged NIDDM subjects

G Paolisso et al. Diabetes Care. 1989 Apr.

Abstract

In eight aged non-insulin-dependent diabetes mellitus (NIDDM) subjects, insulin response and action were studied before and after chronic magnesium supplementation (2 g/day) to diet. Chronic magnesium supplementation to diet versus placebo produced 1) a significant increase in plasma (0.83 +/- 0.05 vs. 0.78 +/- 0.06 mM, P less than .05) and erythrocyte (2.03 +/- 0.06 vs. 1.88 +/- 0.09 mM, P less than .01) magnesium levels, 2) an increase in acute insulin response (AIR) (4.0 +/- 0.6 vs. -1.6 +/- 0.6 mU/L, P less than .05) to glucose pulse, and 3) an increase in glucose infusion rate (GIR) (3.6 +/- 0.6 vs. 2.9 +/- 0.5 mg.kg-1.min-1, P less than .025) calculated in the last 60 min of a euglycemic-hyperinsulinemic (100 mU.m2.min-1 during 180 min) glucose clamp. Net increase in AIR, glucose disappearance rate after glucose pulse, and GIR were significantly and positively correlated to the net increase in erythrocyte magnesium content calculated after chronic magnesium supplementation to diet. In conclusion, our data suggest that NIDDM subjects may benefit from therapeutic chronic administration of magnesium salts.

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