A new study has found a decrease in the risk of bone fractures when the body has healthy blood levels of magnesium.
Data from over 2000 men ages 42 to 61 years of age was analyzed for this study. A follow up period occurred 25.6 years later. 123 fractures were recorded at the follow up. 78 of the fractures recorded were in the hip area. At the onset of the study 136 men had low blood levels of magnesium (1.8 mg/dl) and 22 men had an excess of magnesium in their blood (2.3 mg/dl). There was a 44% reduction in the risk of experiencing a fracture in the men with higher blood levels of magnesium. The men with the lower blood levels of magnesium had the highest risks of experiencing fractures especially in the hip. None of the 22 men who had excess magnesium in their blood experienced any fractures on follow up.
Researchers are not sure that blood levels of magnesium can be increased by diet alone, especially with the elderly who have bowel and digestive conditions and are prone to fractures. Low blood levels of magnesium are very common. Current recommendations for Adequate Intakes (AI) for magnesium are 350 mg daily for men and 300 mg daily for women. Children should be in taking between 170 and 300 mg depending on their age.
Further well designed magnesium supplementation trials are needed to determine the therapeutic potential of this important mineral.
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