Magnesium: Functions, Deficiency Symptoms, Causes, and Sources
Summary
Magnesium supports muscle function, nerve signaling, bone strength, and heart rhythm, but low levels can cause cramps, weakness, fatigue, tingling, and irregular heartbeat. Good sources include leafy greens, nuts, seeds, whole grains, and legumes, while supplements should be taken only on a doctor’s advice.
Key Points
- Magnesium helps muscles contract and relax, supports nerve signaling, strengthens bones, and helps regulate heart rate and blood pressure.
- Common symptoms of magnesium deficiency include muscle cramps, weakness, fatigue, numbness or tingling, and irregular heartbeat.
- Deficiency can be linked to high blood pressure, type 2 diabetes, excessive alcohol use, certain medications, digestive problems, and aging.
- Magnesium is found in spinach, nuts and seeds, whole grains, beans, lentils, and other legumes, while excess intake can cause diarrhea, nausea, and stomach pain.
