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Because magnesium readily dissolves in water, refined foods, which are often processed or cooked in water and dried, in general, are poor sources of the nutrient. For example, whole-wheat bread has twice as much magnesium as white bread because the magnesium-rich germ and bran are removed when white flour is processed.
Magnesium salts are included in various foods, [100] fertilizers [101] (magnesium is a component of chlorophyll [102]), and microbe culture media. [ 103 ] Magnesium sulfite is used in the manufacture of paper ( sulfite process ).
In the table above, magnesium appears to be an anomaly as the recommended intake for adult men is 420 mg/day (women 350 mg/day) while the UL is lower than the recommended, at 350 mg. The reason is that the UL is specific to consuming more than 350 mg of magnesium all at once, in the form of a dietary supplement, as this may cause diarrhea.
“Food grown in mineral-depleted soil, which is most of our current food supply, tends to have low levels of minerals like magnesium. Combined with our high need for the mineral, we have become ...
As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels. For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category.
Magnesium (Mg) is a mineral found naturally in the human body and in animal and plant-based foods, beverages, dietary supplements, and some medicines such as laxatives. [1] It is necessary for the functioning of every organ, for the makeup of teeth and bones, and for metabolic processes. [ 2 ]
Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg 2+ ions and O 2− ions held together by ionic bonding .
Magnesium glycinate, also known as magnesium diglycinate or magnesium bisglycinate, is the magnesium salt of glycine (one magnesium and two glycine molecules), and is sold as a dietary supplement. [ 1 ] [ 2 ] It contains 14.1% elemental magnesium by mass.