Symptoms that indicate you have magnesium deficiency

Sep 29, 2025 Aanya Mehta

Muscle Cramps and Spasms

Magnesium helps muscles contract and relax. Low levels can lead to frequent cramps, twitches, or spasms, especially in legs. Source: unsplash

Fatigue and Weakness

Feeling unusually tired or weak? Magnesium plays a key role in energy production, so deficiency can leave you drained even with enough sleep. Source: unsplash

Abnormal Heart Rhythms

Magnesium helps regulate heart rhythm. Deficiency may lead to palpitations, arrhythmias, or an irregular heartbeat. Source: unsplash

Nausea and Loss of Appetite

Early signs of low magnesium include nausea, vomiting, and decreased appetite, signalling your body is struggling to maintain balance. Source: unsplash

Mood Changes

Magnesium is involved in brain function and mood regulation. Deficiency may lead to anxiety, irritability, or depression. Source: unsplash

Numbness and Tingling

Low magnesium can affect nerve function, causing tingling sensations or numbness in extremities like fingers and toes. Source: unsplash

Bone Health Issues

Chronic magnesium deficiency can affect calcium absorption, weakening bones and increasing risk of osteoporosis over time. Source: unsplash

Sleep Problems

Low magnesium can interfere with your nervous system, making it harder to fall asleep or stay asleep. Insomnia or restless sleep may be a subtle sign of deficiency. Source: unsplash

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