Apr 23, 2026
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Magnesium deficiency causes muscle cramps, poor sleep, anxiety, fatigue, and headaches — symptoms often misattributed to stress in UAE residents. An estimated 60–70% of people do not get enough magnesium through diet alone. In the UAE, high stress, sweating, and heavy coffee intake worsen deficiency. Magnesium glycinate (200–400 mg at night) is the best-absorbed form for most people. |
If you live in Dubai or anywhere in the UAE, there is a reasonable chance you are deficient in magnesium right now — and you have been attributing the symptoms to something else entirely. Muscle cramps during exercise or sleep. Difficulty falling asleep despite being tired. Afternoon energy crashes that coffee does not fix. A low-grade anxiety that sits in the background without an obvious cause. Headaches that come and go without a clear trigger.
All of these are textbook signs of magnesium deficiency. And the UAE lifestyle — high stress, significant sweating in heat, heavy caffeine consumption, processed food diet, and frequent alcohol intake in the expat community — makes deficiency both common and consistently underdiagnosed.
Magnesium is depleted by factors that are disproportionately common in UAE life. Sweat losses are significant — a person exercising outdoors in UAE summer heat can lose 250–500 mg of magnesium per hour in sweat. The UAE average diet is high in processed foods and low in the magnesium-rich foods (dark leafy greens, nuts, seeds, legumes) that would replenish losses. Every cup of coffee or tea increases urinary magnesium excretion. Alcohol — consumed regularly by a significant portion of Dubai's expat population — is a direct magnesium depleter. High stress increases cortisol, which accelerates magnesium loss through the kidneys.
The result: a population that is physically depleting magnesium faster than it is replenishing it, and experiencing symptoms they attribute to busy lives rather than a correctable deficiency.
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Symptom |
How Magnesium Deficiency Causes It |
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Muscle cramps and spasms |
Magnesium regulates muscle contraction. Deficiency causes involuntary cramping, especially calves at night. |
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Poor sleep quality |
Magnesium regulates GABA — the calming neurotransmitter. Low magnesium = racing mind and light sleep. |
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Fatigue despite adequate sleep |
Magnesium is required for ATP production — the energy currency of cells. |
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Anxiety and irritability |
Magnesium buffers the stress response. Deficiency amplifies cortisol sensitivity. |
|
Headaches and migraines |
Magnesium deficiency is found in 50% of migraine sufferers. It affects blood vessel tone. |
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Constipation |
Magnesium draws water into the bowel and relaxes intestinal muscles. |
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Heart palpitations |
Low magnesium disrupts electrical conduction in the heart muscle. |
Magnesium oxide is the most common and cheapest form in supermarket supplements. It has approximately 4% bioavailability — meaning your body absorbs and uses only 4% of what you swallow. It causes diarrhoea in many people at higher doses. It is not the right choice.
Magnesium glycinate is bound to the amino acid glycine, which significantly improves intestinal absorption and adds a calming effect from the glycine itself. Bioavailability is 4–8 times higher than oxide. This is the recommended form for sleep, anxiety, and general deficiency correction. Magnesium citrate has good bioavailability and a mild laxative effect — useful if constipation is a symptom. Magnesium threonate crosses the blood-brain barrier and has emerging evidence for cognitive benefits and memory support.
Standard blood magnesium tests measure serum magnesium, which reflects only 1% of total body magnesium. A normal serum result does not rule out tissue-level deficiency. If you have multiple symptoms from the table above, a therapeutic trial of magnesium glycinate (200–400 mg at bedtime for 4 weeks) is more informative than a blood test. Improvement in sleep, cramping, or energy within 2 weeks is a strong indicator of prior deficiency.
Correction protocol: 300–400 mg magnesium glycinate daily at bedtime. Reduce caffeine intake where possible. Increase magnesium-rich foods: almonds (80 mg per 30g), spinach (157 mg per 100g cooked), pumpkin seeds (262 mg per 30g), dark chocolate above 70% cocoa (50 mg per 30g). Avoid taking magnesium with calcium supplements as they compete for absorption.
Shefaa Al Madeena stocks magnesium glycinate and magnesium citrate in the Vitamins and Nutrition category, both in-branch and at shefaa.ae. The pharmacist team can advise on the correct form for your symptoms, confirm it does not interact with any medications you take, and recommend the optimal dosing time. Free delivery across Dubai and Abu Dhabi. Call +971-54-279-7001.
