Magnesium may slow progression to type-2 diabetes
Before developing diabetes, fasting blood sugar levels begin to rise along with chronically elevated signs of inflammation. This condition is called pre-diabetes and if left unchecked can progress to type 2 diabetes. In this study, doctors measured magnesium in the diets of 2,582 people, aged 26 to 81, about one in three of whom started the study with mildly elevated fasting and after-meal blood glucose levels, making them pre-diabetic. Over the next seven years, doctors tracked blood sugar and insulin levels to measure the chances of developing type 2 diabetes.

Overall, compared to those who got the least, those who got the most magnesium were less than half as likely to develop type 2 diabetes. Both the normal and impaired blood sugar groups saw magnesium reduce chances of progressing to type 2 diabetes, with the greatest benefit going to those who began the study with pre-diabetic blood sugar levels.

Reference: Diabetes Care. 2014 Feb;37(2):419-27.
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