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Magnesium, Urine Test

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About Our Magnesium, Urine Test

This urine test checks levels of magnesium to evaluate for deficiency or toxicity.

Magnesium is a mineral that plays an important role in many biochemical reactions including your heartbeat, nerve and muscle function, bone development, energy production, glucose and blood pressure regulation and protein synthesis.

Deficient magnesium levels can lead to:

  • Muscle cramps/spasms/tremors
  • Fatigue/Somnolence
  • Decreased reflexes
  • Heart block
  • Inexplicably low calcium levels
  • Nausea
  • Loss of appetite
  • Seizures
  • Heart arrhythmia
  • Diarrhea

Magnesium levels that are high can be a sign of:

  • Renal (kidney) failure
  • Ingesting large amount of antacids
  • Addison disease
  • Pregnant patients with pre-eclampsia or eclampsia on anticonvulsant drugs

Major magnesium sources include:

  • Leafy green vegetables like spinach
  • Squash
  • Pumpkin seeds
  • Nuts and seeds
  • Legumes
  • Fish
  • Whole grains

Magnesium deficiency can be more prevalent in people who:

  • Drink caffeinated drinks or alcohol often
  • Have malabsorption of vitamin D, which aids in magnesium absorption
  • Are uncontrolled diabetics
  • Eat a lot of refined sugar, which causes the body to excrete magnesium through the kidneys
  • Have Bartter syndrome or Gitelman syndrome
  • Are on corticosteroids

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