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Magnesium & Coffee

Magnesium is a key mineral involved in a number of reactions in your body. Drinking coffee can lead to a deficiency of this nutrient. As both the acid and caffeine in coffee affect how your body absorbs magnesium, drinking decaffeinated and de-acidified coffee may help reduce the impact on your body's mineral balance.

Magnesium

Magnesium only makes up 0.05 percent of body weight, but it is an extremely important mineral. It is involved in hundreds of reactions, including those responsible for heart function and energy production. It activates enzymes involved in carbohydrate and protein metabolism and is required for DNA production and function. About 65 percent of the body's magnesium is found in bones and teeth. The rest is found in the brain, blood, other fluids and the heart.

Effects

The diuretic and mild laxative effects of caffeine in coffee result in the loss of minerals, including magnesium, via the urine and feces. Additionally, the acid present in coffee wears away at the villi of the small intestine, reducing its ability to absorb nutrients, which is why most heavy coffee drinkers have mineral deficiencies, according to Paul Pitchford.

Symptoms

Insomnia, muscle twitching or tremors, fatigue, irritability and anorexia can all be early signs of magnesium deficiency. Psychologically, a person might experience confusion, poor memory, apathy, anxiety and a decreased learning capacity. A moderate deficiency can cause a rapid heartbeat, while more severe cases can lead to problems with muscle contraction, numbness, tingling, delirium and hallucinations. Kidney stones and other tissue calcification are more likely with magnesium deficiency, as well as high blood pressure and arterial spasms that can lead to heart attack, in worst-case scenarios.

Options

The steam-processed version of decaffeinated coffee is the healthiest choice of decaffeinated coffee. De-acidified coffee, made using a cold-water method, is also available at many supermarkets. However, you can make acid-free coffee at home by leaving 1 pound of freshly ground organic coffee and 8 cups of cold water to soak in a cool, dark corner for 16 hours. Filter the liquid and use it to make your morning cup of coffee.

References (3)

Photo Credits:

  • Nostalgic coffee mill, Black coffee with Coffee bean image by Petoo from Fotolia.com

This article reflects the views of the writer and does not necessarily reflect the views of Jillian Michaels or JillianMichaels.com.