CYTO10770
| Product Description: |
What is Magnesium and what does it do?
Magnesium is an essential mineral that accounts for about 0.05% of the body's
total weight. Nearly 70% of the body's supply is located in the bones, together
with calcium and phosphorus, while 30% is found in cellular fluids and some soft
tissue. Some 30%-40% of ingested dietary magnesium is absorbed, while the rest
is excreted in the faeces.
Magnesium is involved in many essential metabolic processes, including the release
of energy from glucose, synthesis of protein and nucleic acids, the formation of
urea, vascular tone, muscle impulse transmission, electrical stability of the cells,
neurotransmission and activity. Most is found inside the cell, where it activates
enzymes necessary for the metabolism of carbohydrates and amino acids. It also
regulates the acid/alkali balance in the body.
Magnesium helps promote absorption and metabolism of other minerals, such
as calcium, phosphorus, sodium and potassium. It also helps utilise the B complex
vitamins, Vitamin C and Vitamin E in the body. It aids in bone growth and is
necessary for proper functioning of muscles.
Best Natural Sources
Magnesium is widely distributed in foods, being found chiefly in fresh green vegetables.
Other excellent sources include raw, unmilled wheat germ, soya beans, milk, whole
grains, seafoods, figs, corn, apples and oil-rich seeds and nuts, especially almonds.
Fish, garlic, tofu, peaches, apricots and lima beans are also good sources.
Absorption and Storage
Magnesium is absorbed in the small intestine. The rate of absorption is influenced by
the parathyroid hormones, the rate of water absorption and the amounts of calcium,
phosphorus and lactose in the body. Both magnesium and calcium compete for the
same absorption sites. Absorption may be inhibited by phytates (vegetable fibre),
too many fats, cod liver oil and protein. Foods high in oxalic acid inhibit absorption.
Vitamin D is necessary for the proper utilisation of magnesium.
When the intake of magnesium is low, the rate of absorption may be as high as
75%; when the intake is high, the rate of absorption may be as low as 25%. Losses
tend to increase with the use of diuretics and with the consumption of alcohol.
Food sources of magnesium are far better absorbed than inorganic sources.
RDA and Dosage
The RDA for magnesium is 300mg.
Evidence suggests that the balance between calcium and magnesium is especially
important. If calcium consumption is high, magnesium intake needs to be high also or a deficiency will result. The amount of protein, phosphorous and Vitamin D in the diet also influences the magnesium requirement. The need for magnesium is increased when blood cholesterol levels are high and when consumption of protein is high.
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| Nutrition Information: |
Nutrient Per capsule %RDA
Magnesium 80mg 27
(magnesium citrate) 500mg *
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Cytoplan
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