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Twitches, Tremors and Tiredness: The Glaring Signs of Magnesium Deficiency

Left eye won’t stop twitching? Or perhaps you’ve found yourself with uncontrollable tremors. Both of these are some of the major signs of a magnesium deficiency – we’ll be diving into the top 4 signs to look out for.

Magnesium plays a vital role in our health – from promoting muscle health and nerve function to maintaining energy levels. While you may notice some of the following symptoms when you’re lacking this nutrient, the more concerning consequences are a higher risk for heart disease, type 2 diabetes and high blood pressure. You’ll find this wonder nutrient in the following foods:

  • Dark leafy greens
  • Lentils
  • Nuts
  • Dark chocolate
  • Whole grains

You’ll want to make sure you’re getting an adequate dose of this stuff, or else you could find yourself facing the following symptoms. 


Twitching and muscle cramps are the most notorious signs of a magnesium deficiency – some people even report tremors or convulsions. It’s believed that these are caused by an excess of calcium in our nerves, which then sends our muscle nerves into overdrive – magnesium is essential to prevent this overflow of calcium. But if you’re only experiencing twitching, it’s worth noting that a strong dose of caffeine could be the culprit here!

Poor mood and mental health

Many people report feeling numbness and apathy as a result of magnesium deficiency, while others find themselves dealing with depression. In fact, low magnesium levels are a risk factor for depression, so if you’ve been struggling with your mental health lately and know you haven’t been keeping up on your magnesium intake, it could be worth looking into.


You may be aware that a low intake of vitamin D and K may result in osteoporosis, a condition involving brittle bones, but did you know a lack of magnesium can have the same result? This is because, without adequate magnesium, bones become weaker, along with lowering our calcium levels – another essential nutrient for strong bones. Research shows that bone density decreased in those with reduced magnesium intake. So, if you’re dealing with low bone density or osteoporosis, make sure you’re upping your magnesium intake along with all those other essential nutrients like calcium, vitamin D and vitamin K.


Fatigue and tiredness are other signs of magnesium deficiency – though it’s also a common sign of many conditions, from depression to autoimmune disorders, if it’s in combination with some of the other symptoms on this list, you could be looking at a magnesium deficiency. Muscle weakness often accompanies this symptom, and it’s believed to be caused by the reduced potassium in our cells which is caused by the lack of magnesium. 

Other signs include:

  • Irregular heartbeat
  • Asthma
  • High blood pressure

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