Magnesium Flashcards
is it a trace element, vitamin, or mineral? Magnesium
mineral
how much is in the body? Magnesium
28 g = 1 oz
how much is in the bones and teeth? Magnesium
50%
how much is in the muscles/soft tissues? Magnesium
49%
how much is in the extracellular fluid? Magnesium
1%
how much is absorbed? Magnesium
45%
what influences its absorption? Magnesium
Influenced by same factors as Ca (except vitamin D)
what do High alcohol & liquid protein do to its absorption? Magnesium
decrease absorption & excretion
what are its four functions? Magnesium
Bone metabolism, Prevention of dental caries, Cofactor, Muscle contraction
what are the details of its function in bone metabolism? Magnesium
Needed for deposition of Ca
how does it prevent dental caries? Magnesium
Holds Ca in tooth enamel
how many enzymes is it a cofactor for? Magnesium
300 enzymes
how does it help with muscle contraction? Magnesium
Stimulates relaxation
what are the four main deficiency symptoms? Magnesium
Tremors, seizures, hallucinations, Cardiovascular damage
what happens if there is a deficiency and high Ca? Magnesium
increased calcification of soft tissues
what group of people are prone to a deficiency? Magnesium
alcoholics
is it toxic from to much in food? Magnesium
no
what are the seven toxicity effects of taking supplements? Magnesium
Diarrhea, nausea, cramps, dehydration
Anesthetic effect
Coma, heart and kidney failure
whats the DRI? Magnesium
400 mg male 310 female
whats the UL? Magnesium
350 mg but not from food
what level is the US dietary intake? Magnesium
75% below recommendations
what type of water contributes to an increase of this? Magnesium
Hard water contributes
what are the four main food sources? Magnesium
Legumes, seeds, and nuts
Leafy green vegetables
in leafy green vegetables where is it located? Magnesium
Core atom of chlorophyll
