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Why Do We Need Magnesium and How Much Should You Take Daily?

Why Do We Need Magnesium and How Much Should You Take Daily?

Magnesium is a vital mineral that plays a crucial role in numerous bodily functions. Despite its importance, many people do not get enough magnesium from their diet alone. This can lead to a range of health issues, from muscle cramps to more serious conditions like heart disease. In this blog, we’ll explore why we need magnesium, how much magnesium you should take daily, and what dosage is recommended for optimal health.

Why Do We Need Magnesium?

Magnesium is involved in over 300 biochemical reactions in the body. Here are some of the key reasons why magnesium is essential for good health:

  1. Muscle and Nerve Function:

    • Magnesium helps regulate muscle contractions and nerve signaling. It is crucial for preventing muscle cramps and spasms.
  2. Energy Production:

    • This mineral plays a role in converting food into energy. It is essential for maintaining proper energy levels and reducing fatigue.
  3. Bone Health:

    • Magnesium contributes to bone formation and maintenance. It works in conjunction with calcium and vitamin D to keep bones strong and healthy.
  4. Heart Health:

    • Magnesium supports cardiovascular health by maintaining a normal heart rhythm and preventing hypertension.
  5. Blood Sugar Control:

    • It helps regulate blood sugar levels by influencing insulin activity and glucose metabolism.
  6. Mental Health:

    • Magnesium plays a role in mood regulation and can help reduce symptoms of anxiety and depression.
  7. Immune Support:

    • It is involved in the functioning of the immune system, helping to ward off infections and illnesses.

How Much Magnesium Do You Need Daily?

The recommended daily allowance (RDA) for magnesium varies by age, sex, and life stage. Here are the general guidelines:

  • Infants (0-6 months): 30 mg
  • Infants (7-12 months): 75 mg
  • Children (1-3 years): 80 mg
  • Children (4-8 years): 130 mg
  • Children (9-13 years): 240 mg
  • Teen Boys (14-18 years): 410 mg
  • Teen Girls (14-18 years): 360 mg
  • Men (19-30 years): 400 mg
  • Men (31 years and older): 420 mg
  • Women (19-30 years): 310 mg
  • Women (31 years and older): 320 mg
  • Pregnant Teens: 400 mg
  • Pregnant Women: 350-360 mg
  • Breastfeeding Teens: 360 mg
  • Breastfeeding Women: 310-320 mg

How Much Magnesium Can You Take Daily?

While magnesium is essential for health, it is possible to take too much, which can lead to adverse effects. The Tolerable Upper Intake Level (UL) for supplemental magnesium is:

  • Adults and Teens: 350 mg per day from supplements

It's important to note that this limit applies to magnesium from supplements and medications, not from food sources. Magnesium obtained from food is generally safe and not associated with adverse effects.

What Dose of Magnesium Should I Take?

The appropriate dose of magnesium depends on your age, sex, health status, and dietary intake. Here are some general recommendations:

  1. Dietary Sources:

    • Aim to meet most of your magnesium needs through diet. Foods rich in magnesium include leafy green vegetables, nuts, seeds, whole grains, and legumes.
  2. Supplements:

    • If you need to take a magnesium supplement, start with a lower dose to assess tolerance. Common doses range from 200 to 400 mg per day. It’s best to take magnesium with meals to enhance absorption and reduce the risk of gastrointestinal upset.
  3. Specific Conditions:

    • If you have specific health conditions or are pregnant, consult with a healthcare provider to determine the appropriate dosage for your needs.

Tips for Taking Magnesium

  1. Choose the Right Form:

    • Magnesium supplements come in various forms, including magnesium citrate, magnesium glycinate, magnesium oxide, and magnesium chloride. Magnesium citrate and glycinate are often preferred for their high bioavailability and gentle effect on the stomach.
  2. Take with Food:

    • Taking magnesium with meals can improve absorption and reduce the risk of stomach upset.
  3. Stay Hydrated:

    • Drinking plenty of water can help your body absorb magnesium more effectively.
  4. Monitor for Side Effects:

    • Common side effects of magnesium supplements include diarrhea and stomach cramps. If you experience these, consider lowering the dose or switching to a different form of magnesium.


Magnesium is a crucial mineral for maintaining overall health and well-being. It supports numerous bodily functions, from muscle and nerve function to heart health and bone strength. While it’s important to get enough magnesium, it’s equally important to avoid taking too much. By understanding the recommended daily allowances and considering individual needs, you can ensure you get the right amount of magnesium to support your health.

If you are considering taking a magnesium supplement, choose a high-quality product like Nutridom Magnesium Supplements, which offer a reliable source of this essential mineral. Always consult with a healthcare provider to determine the appropriate dosage for your specific needs and conditions. With the right approach, magnesium can be a valuable addition to your daily wellness routine.

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