Micronutrients & recovery
High dietary or supplemental magnesium intake is independently associated with reduced risks of vitamin D deficiency and insufficiency, and magnesium intake modifies the inverse association between serum 25(OH)D and mortality (specifically cardiovascular disease and total mortality) to be primarily present in those with magnesium intake above the median.
If you are concerned about Vitamin D levels or cardiovascular health, ensure your Magnesium intake is adequate (ideally above the median, approx 264 mg/day from diet/supplements). Magnesium is required for your body to properly synthesize and utilize Vitamin D. Low Magnesium may blunt the potential mortality benefits of high Vitamin D levels.
High intake of total, dietary or supplemental magnesium was independently associated with significantly reduced risks of vitamin D deficiency and insufficiency respectively... the associations of serum 25(OH)D with mortality, particularly due to cardiovascular disease (CVD) and colorectal cancer, were modified by magnesium intake, and the inverse associations were primarily present among those with magnesium intake above the median.
Why this rating
Observational cohort data (NHANES) with prospective mortality linkage; strong statistical associations but not causal proof from RCTs.
Source
Magnesium, vitamin D status and mortality: results from US National Health and Nutrition Examination Survey (NHANES) 2001 to 2006 and NHANES III
Xinqing Deng et al. · BMC Medicine · 2013
DOI 10.1186/1741-7015-11-187
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