Magnesium

Aka: Magnesium

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II. Physiology

  1. Magnesium is Cofactor in enzymatic reactions
    1. Sodium-Potassium ATPase pump
    2. Blocks Neuromuscular transmission
    3. Protein and DNA/RNA synthesis
    4. Cellular energy production and storage
    5. Cell growth, reproduction
  2. Magnesium Deficiency effects (see Hypomagnesemia)
    1. Cardiac Arrhythmia
    2. Refractory Ventricular Fibrillation
    3. Cardiac Insufficiency
    4. Sudden Cardiac Death

III. Labs

  1. See Serum Magnesium

IV. Preparations: Medications

  1. See Magnesium Replacement

V. Preparations: Natural Sources

  1. Foods with 70-90 mg Magnesium per serving
    1. Halibut (3 oz)
    2. Almonds or cashews (1 oz)
    3. Spinach (1/2 cup)
  2. Foods with 40-60 mg Magnesium per serving
    1. Instant oatmeal (1 cup)
    2. Baked potato with skin (1 medium)
    3. Yogurt (8 oz)
    4. Brown rice (1/2 cup)
  3. Foods with 20-40 mg Magnesium per serving
    1. Kidney beans (1/2 cup)
    2. Banana (1 medium)
    3. Milk (1 cup)

VI. Adverse Effects

  1. See Hypermagnesemia
  2. See Hypomagnesemia

VII. References

  1. Guerrera (2009) Am Fam Physician 80(2): 157-62 [PubMed]

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Related Topics in Minerals and Other Inorganic Chemicals

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