Magnesium

Definition

Magnesium is an essential mineral involved in numerous biochemical reactions in the body, including energy production and muscle function. It plays a crucial role in maintaining normal nerve and muscle function, supporting a healthy immune system, and keeping the heartbeat steady.

5 Must Know Facts For Your Next Test

1. Magnesium is vital for over 300 enzymatic reactions, including those that regulate blood sugar levels and blood pressure.
2. Deficiency in magnesium can lead to symptoms such as muscle cramps, mental disorders, osteoporosis, fatigue, and high blood pressure.
3. Foods rich in magnesium include leafy green vegetables, nuts, seeds, whole grains, and fish.
4. Adequate magnesium intake has been linked to reduced risks of cardiovascular diseases and improved neurological health.
5. Magnesium interacts with calcium to help control muscle contraction and relaxation.

Review Questions

• What are some common dietary sources of magnesium?
• How does magnesium deficiency manifest in the human body?
• Why is magnesium important for cardiovascular health?

Related terms

Calcium:

Essential mineral involved in bone formation, muscle contraction, and nerve signaling.

Potassium:

An essential electrolyte that helps maintain fluid balance and proper muscle function.

Phosphorus:

A mineral important for the formation of bones and teeth as well as energy production within cells.