Magnesium Flashcards Preview

Nutrition > Magnesium > Flashcards

Flashcards in Magnesium Deck (24):
1

is it a trace element, vitamin, or mineral? Magnesium

mineral

2

how much is in the body? Magnesium

28 g = 1 oz

3

how much is in the bones and teeth? Magnesium

50%

4

how much is in the muscles/soft tissues? Magnesium

49%

5

how much is in the extracellular fluid? Magnesium

1%

6

how much is absorbed? Magnesium

45%

7

what influences its absorption? Magnesium

Influenced by same factors as Ca (except vitamin D)

8

what do High alcohol & liquid protein do to its absorption? Magnesium

decrease absorption & excretion

9

what are its four functions? Magnesium

Bone metabolism, Prevention of dental caries, Cofactor, Muscle contraction

10

what are the details of its function in bone metabolism? Magnesium

Needed for deposition of Ca

11

how does it prevent dental caries? Magnesium

Holds Ca in tooth enamel

12

how many enzymes is it a cofactor for? Magnesium

300 enzymes

13

how does it help with muscle contraction? Magnesium

Stimulates relaxation

14

what are the four main deficiency symptoms? Magnesium

Tremors, seizures, hallucinations, Cardiovascular damage

15

what happens if there is a deficiency and high Ca? Magnesium

increased calcification of soft tissues

16

what group of people are prone to a deficiency? Magnesium

alcoholics

17

is it toxic from to much in food? Magnesium

no

18

what are the seven toxicity effects of taking supplements? Magnesium

Diarrhea, nausea, cramps, dehydration
 Anesthetic effect
 Coma, heart and kidney failure

19

whats the DRI? Magnesium

400 mg male 310 female

20

whats the UL? Magnesium

350 mg but not from food

21

what level is the US dietary intake? Magnesium

75% below recommendations

22

what type of water contributes to an increase of this? Magnesium

Hard water contributes

23

what are the four main food sources? Magnesium

 Legumes, seeds, and nuts
 Leafy green vegetables

24

in leafy green vegetables where is it located? Magnesium

Core atom of chlorophyll