Low Magnesium Symptoms: 7 Ways to Spot a Magnesium Deficiency

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Muscle Weakness and Cramps

Muscle contraction and function depend on magnesium. A deficit can cause muscular weakness, spasms, cramps, and tremors.

Fatigue and Weakness

Low magnesium levels can cause weariness and weakness. Low amounts of this energy-metabolizing mineral can lower vigour.

Nausea and Vomiting

Magnesium deficiency can produce nausea and vomiting. It might also cause stomach difficulties and appetite loss.

Abnormal Heart Rhythms

The heart needs magnesium to beat regularly. A deficit can cause irregular heart rhythms, palpitations, and cardiovascular difficulties.

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Numbness and Tingling

Lack of magnesium can cause numbness, tingling, or muscular spasms (tetany).

Personality Changes and Mental Disorders

Low magnesium levels can cause mood, anxiety, and sadness. Adequate magnesium is needed for neurotransmitter function.


In extreme magnesium shortage, seizures may occur. Deficits in magnesium, which regulates nerves and muscles, can cause brain electrical activity abnormalities.

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