The Importance of Magnesium
- Melanie Schneidmiller
- Sep 20, 2024
- 3 min read
September 16-20 is National Malnutrition Awareness Week. You may be thinking, "Why is she blogging about malnutrition from a weight loss practice?". Malnutrition in the Standard American Diet often stems from a reliance on processed and fast foods, which are high in calories but low in essential nutrients. Despite the abundance of food available, many people face "hidden hunger," lacking vital nutrients like vitamins, minerals, and fiber. This can lead to deficiencies in key nutrients which contribute to chronic health issues like obesity, heart disease, poor immune function, and poor bone health, to name a few. Each day this week we will be discussing common nutrient deficiencies in the American diet. Next up: Magnesium.
Why is Magnesium Important?
Magnesium is involved in over 300 biochemical processes in the body. It's essential for:
Muscle and nerve function: Magnesium helps muscles contract and relax properly, and it plays a key role in transmitting signals between nerves.
Bone health: About 60% of the magnesium in your body is stored in your bones, making it crucial for bone strength and structure.
Heart health: Magnesium helps regulate heart rhythm and blood pressure, reducing the risk of cardiovascular problems.
Energy production: Your cells need magnesium to create energy. Without enough, you may feel fatigued or run down.
Mental health: Magnesium can help regulate mood and reduce symptoms of anxiety and depression. It also supports better sleep by calming the nervous system.
The Standard American Diet: What’s Missing?
The Standard American Diet tends to be heavy in processed foods, refined grains, sugar, and unhealthy fats, while being low in fruits, vegetables, and whole grains. This combination is not only lacking in essential vitamins and minerals but also contributes to magnesium deficiency in a few ways:
Processing removes magnesium: Many of the foods that make up the Standard American Diet, like white bread and sugary cereals, are heavily processed. During this processing, the natural magnesium content is stripped away.
Low intake of magnesium-rich foods: Dark leafy greens, nuts, seeds, legumes, and whole grains are some of the best sources of magnesium. Unfortunately, these foods are often missing from the average American diet.
Soil depletion: Modern farming practices have reduced the amount of magnesium and other minerals in the soil. This means that even some healthy foods may have lower magnesium levels than they did in the past.
Signs of Magnesium Deficiency
Because magnesium plays such a crucial role in so many body functions, a deficiency can show up in a variety of ways. Some common symptoms include:
Muscle cramps or spasms: One of the most noticeable signs of low magnesium is muscle cramps, especially in the legs.
Fatigue: If you’re constantly feeling tired or weak, a lack of magnesium could be part of the problem.
Sleep issues: Magnesium helps regulate sleep, so low levels may lead to insomnia or restless nights.
Headaches and migraines: There’s evidence that magnesium deficiency may be linked to more frequent headaches or migraines.
Increased stress or anxiety: Magnesium has a calming effect on the nervous system, so low levels may make you feel more stressed or anxious than usual.
How to Increase Your Magnesium Intake
The good news is that magnesium deficiency is fixable! It starts with making a few adjustments to your diet. Here are some of the best magnesium-rich foods to include in your meals:
Leafy greens: Spinach, kale, and Swiss chard are excellent sources of magnesium.
Nuts and seeds: Almonds, cashews, pumpkin seeds, and flaxseeds pack a magnesium punch.
Whole grains: Brown rice, quinoa, and whole oats are rich in magnesium.
Legumes: Beans, lentils, and chickpeas are great plant-based sources of magnesium.
Fish: Fatty fish like salmon and mackerel also contain magnesium.
Avocados: In addition to healthy fats, avocados provide a decent amount of magnesium.

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