NUTRIZONE

Magnesium

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About Magnesium

Magnesium is involved in more than 300 enzyme reactions — muscle relaxation and contraction, the nervous system, energy production and sleep quality. Deficiency can cause cramps, fatigue, irritability and poor sleep, and athletes lose more in sweat.

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The usual dose is 200–400 mg of elemental magnesium a day, often in the evening. The best forms are bisglycinate (calming, gentle on the stomach), citrate (well absorbed) and threonate (for the brain); oxide is cheap but poorly absorbed.

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