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In case you are wondering, this makes sense:
“As early as 1964, Dr. Mildred Seelig showed that calcium intake can be a factor in the body’s retention of dietary magnesium.1 This magnesium pioneer later considered the possible impact of high calcium with low magnesium intakes on heart and blood-vessel health,2, 3 and her predictive work was shown to be a serious consideration in 1978 when a population’s calcium-to-magnesium intake ratio was found to be associated with rates of heart disease death.
Thus, if one’s total magnesium intake per day is 300 mg, one’s total calcium intake for that day should not exceed 600 mg, according to Durlach. This would be a high level of calcium for the level of magnesium, not to be exceeded, according to this early and often-quoted recommendation. A lower calcium-to-magnesium ratio is thus safe, such as a one-to-one ratio or even less in some times of life or therapy.”
- read more @Link: Optimum Calcium Magnesium Ratio | Nutritional Magnesium Association
The 2-to-1 Calcium-to-Magnesium Ratio
“As early as 1964, Dr. Mildred Seelig showed that calcium intake can be a factor in the body’s retention of dietary magnesium.1 This magnesium pioneer later considered the possible impact of high calcium with low magnesium intakes on heart and blood-vessel health,2, 3 and her predictive work was shown to be a serious consideration in 1978 when a population’s calcium-to-magnesium intake ratio was found to be associated with rates of heart disease death.
The Two-to-One Ratio
The 2-to-1 calcium-to-magnesium ratio (2:1) was first suggested by the French magnesium researcher Jean Durlach as a high limit not to be exceeded, when he warned against excessive calcium relative to magnesium intakes; that is, one’s calcium intake from all sources including food, water and supplements should not exceed one’s total magnesium intake by more than 2 parts calcium to 1 part magnesium on a weight basis. 5Thus, if one’s total magnesium intake per day is 300 mg, one’s total calcium intake for that day should not exceed 600 mg, according to Durlach. This would be a high level of calcium for the level of magnesium, not to be exceeded, according to this early and often-quoted recommendation. A lower calcium-to-magnesium ratio is thus safe, such as a one-to-one ratio or even less in some times of life or therapy.”
- read more @Link: Optimum Calcium Magnesium Ratio | Nutritional Magnesium Association