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Usage Note

• Magnesium content is in mg per 100g of food.
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Nutrient Info from National Institutes of Health

Magnesium is an essential mineral for human nutrition.

Function

Magnesium in the body serves several important functions:

• Contraction and relaxation of muscles
• Function of certain enzymes in the body
• Production and transport of energy
• Production of protein

Food Sources

Most dietary magnesium comes from vegetables, such as dark green, leafy vegetables. Other foods that are good sources of magnesium:

• Fruits or vegetables (such as bananas, dried apricots, and avocados)
• Nuts (such as almonds and cashews)
• Peas and beans (legumes), seeds
• Soy products (such as soy flour and tofu)
• Whole grains (such as brown rice and millet)

Side Effects

Side effects from increased magnesium intake are not common because the body removes excess amounts. Magnesium excess almost always occurs only when magnesium is supplemented as a medication. Lack of magnesium (deficiency) is rare. The symptoms include:

• Hyperexcitability
• Muscle weakness
• Sleepiness

Deficiency of magnesium can occur in people who abuse alcohol or in those who absorb less magnesium due to:

• Burns
• Certain medications
• Low blood levels of calcium
• Problems absorbing nutrients from the intestinal tract (malabsorption)
• Surgery

Symptoms due to a lack of magnesium have three categories.

• Early symptoms:
  • Anorexia
  • Apathy
  • Confusion
  • Fatigue
  • Insomnia
  • Irritability
  • Muscle twitching
  • Poor memory
  • Reduced ability to learn
• Moderate deficiency symptoms:
  • Heart (cardiovascular) changes
  • Rapid heartbeat
• Severe deficiency:
  • Continued muscle contraction
  • Delirium
  • Numbness
  • Seeing or hearing things that aren't there (hallucinations)
  • Tingling

  Recommendations

  These are the recommended daily requirements of magnesium:
  • Children
    • 1 - 3 years old: 80 milligrams
    • 4 - 8 years old: 130 milligrams
    • 9 - 13 years old: 240 milligrams
    • 14 - 18 years old (boys): 410 milligrams
    • 14 - 18 years old (girls): 360 milligrams
  • Adult females: 310 - 320 milligrams
  • Pregnancy: 350 - 400 milligrams
  • Breastfeeding women: 310 - 360 milligrams
  • Adult males: 400 - 420 milligrams
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