| Food | Magnesium (mg) | % Daily Value |
|---|---|---|
| Pumpkin seeds (1 oz) | 156 | 37% |
| Chia seeds (1 oz) | 111 | 26% |
| Almonds (1 oz) | 80 | 19% |
| Spinach (½ cup cooked) | 78 | 19% |
| Cashews (1 oz) | 74 | 18% |
| Black beans (½ cup) | 60 | 14% |
| Edamame (½ cup) | 50 | 12% |
| Peanut butter (2 tbsp) | 49 | 12% |
| Potato with skin | 48 | 11% |
| Brown rice (½ cup cooked) | 42 | 10% |
| Yogurt (1 cup) | 42 | 10% |
| Banana (1 medium) | 32 | 8% |
Should You Supplement?
Who Might Benefit from Supplements:
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People with digestive disorders (Crohn’s, celiac, IBS)
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Those taking medications that deplete magnesium (diuretics, PPIs, some antibiotics)
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Older adults (absorption decreases with age)
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People with type 2 diabetes
-
Athletes who sweat heavily
Forms of Magnesium Supplements:
| Form | Best For | Notes |
|---|---|---|
| Magnesium glycinate | Sleep, anxiety | Gentle on stomach |
| Magnesium citrate | Constipation | Can cause loose stools |
| Magnesium oxide | Budget option | Lower absorption |
| Magnesium malate | Energy, fatigue | Well-absorbed |
| Magnesium chloride | General use | Good absorption |
| Magnesium threonate | Brain health | Crosses blood-brain barrier |
Dosage: Most studies use 200-400 mg daily. Start low and increase gradually.
Who Should Be Cautious
-
Kidney disease: Impaired kidneys can’t excrete excess magnesium. Supplement only under medical supervision.
-
Low blood pressure: Magnesium can lower blood pressure further.
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Certain medications: Magnesium can interact with antibiotics, blood pressure meds, and diuretics.
Always consult your doctor before starting supplements.
The Bottom Line
Magnesium isn’t a trendy superfood or a miracle cure. It’s an essential mineral that your body needs to function properly. And most of us aren’t getting enough.
The evidence supports adequate magnesium intake for:
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Stronger bones
-
Better blood sugar control
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Lower blood pressure
-
Improved mood and sleep
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Reduced muscle cramps
You can get it from food—pumpkin seeds, almonds, spinach, black beans. Or from supplements if needed.
But don’t expect miracles. Magnesium supports your body’s natural processes. It doesn’t replace medication or undo poor lifestyle choices.
It’s not magic. It’s just essential.
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