Magnesium is involved in energy release and what other function?

• A. Magnesium
• B. Calcium
• C. Iron
• D. Sodium

Answer: (A)

Magnesium acts as a key cofactor in energy metabolism. It stabilizes ATP, forming Mg-ATP, which is the usable form that enzymes need to release energy from nutrients. Beyond this, magnesium is essential for activating many enzymes and supporting nerve transmission and muscle function. So, the other role of magnesium being highlighted is its function as a vital cofactor in enzymatic reactions involved in energy release and overall metabolism. The other minerals have different primary roles—calcium mainly in bones and muscle action, iron in oxygen transport, and sodium in fluid balance and nerve impulses—whereas magnesium covers this additional metabolic function, making it the best match.