14 Warning Signs of Low Magnesium Levels and What to Do About It (Science Based)

Studies link magnesium deficiency with migraine frequency and intensity.
It affects brain blood flow and nerve signaling.


6. Irregular Heartbeat

Magnesium helps maintain normal heart rhythm.
A deficiency may cause heart palpitations, skipped beats, or fluttering.


7. Tingling or Numbness

Magnesium plays a major role in nerve transmission.
Low levels can cause numbness, tingling, or “pins and needles,” especially in hands and feet.


8. High Blood Pressure

Magnesium relaxes blood vessels.
People with low magnesium often have higher blood pressure levels.


9. PMS Symptoms in Women

Cramps, mood swings, bloating, and headaches can worsen when magnesium is low.


10. Constipation

Magnesium draws water into the intestines and relaxes digestive muscles.
Low levels → sluggish bowel movements.


11. Poor Appetite or Nausea

One of the early signs is loss of appetite, nausea, or general digestive discomfort.


12. Osteoporosis Risk