Magnesium is an essential mineral for your body, playing a crucial role in everything from energy production to maintaining a balanced nervous system. While it might not be the first nutrient on your mind, magnesium is actually the fourth most abundant mineral in the human body, and it’s required for over 600 enzymatic reactions (Rosanoff, 2016).

Why is Magnesium Important?

Magnesium supports numerous functions in the body, including:

  • Energy Production: Magnesium is essential for ATP synthesis, which provides energy for our cells, allowing our bodies to stay energized throughout the day (Rosanoff, 2016).
  • Bone Health: Magnesium, along with calcium and phosphorus, contributes to bone structure and plays a role in maintaining bone density (Fiorentini et al., 2021).
  • Heart Health: Magnesium helps regulate heart rhythm and prevent muscle spasms, including those in the heart, which supports cardiovascular function (Rosanoff, 2016).
  • Muscle Function: Magnesium balances calcium in muscle cells, helping prevent muscle cramps and spasms. This makes it a favorite among athletes and those with active lifestyles (Rosanoff, 2016).
  • Mental Health and Sleep: It helps manage stress by regulating neurotransmitters that control mood. Magnesium is also known to support better sleep by relaxing the nervous system (Rosanoff, 2016).

Can Too Much Magnesium Cause Diarrhea? Know Your Daily Intake First!

Curious fact: High doses of magnesium—especially from supplements or medications—can sometimes lead to unwanted effects like diarrhea (Rao et al., 1993). That's why it's essential to know how much magnesium you're getting from your diet before adding supplements. Leafy greens, nuts, and whole grains are great sources (Fiorentini et al., 2021). Don’t forget that certain medications, like antacids and laxatives, also contain magnesium, contributing to your total daily intake (FDA, 2016). Understanding your total intake can help you enjoy all the benefits of magnesium without the digestive discomfort!

Types of Magnesium Supplements

Choosing the right magnesium supplement can seem overwhelming, so let’s break down some of the most common types:

  1. Magnesium Citrate: Known for its high absorption rate, magnesium citrate is often used for muscle relaxation and to help with sleep. It’s gentle on the stomach and is commonly recommended for those who want an efficient way to increase magnesium levels.
  2. Magnesium Glycinate: This form is highly absorbable and tends to be gentler on the stomach, making it a good choice for those with digestive sensitivities.
  3. Magnesium Oxide: Typically found in over-the-counter magnesium supplements, this type is less expensive but has a lower absorption rate. It’s often used for digestive health.

Magnesium and Medication Interactions: What to Know About PPIs

If you are taking proton pump inhibitors (PPIs) for acid reflux or GERD, it’s essential to know that long-term use of these medications may lower magnesium levels in your body. The FDA has highlighted that extended PPI use can lead to magnesium deficiency, which may affect overall health (FDA, 2016). If you take PPIs regularly, consider speaking with your healthcare provider about monitoring your magnesium levels and possibly incorporating magnesium-rich foods or supplements into your diet.

Bringing Magnesium into Your Life

To ensure you’re getting enough magnesium, consider adding foods rich in magnesium to your diet, such as leafy greens, nuts, seeds, and whole grains. For those who need a boost, magnesium supplements can be an effective way to meet daily requirements.


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References

  • Rosanoff, A. (2016). Magnesium. Advances in Nutrition, 7(1), 199-201. https://doi.org/10.3945/an.115.008524
  • Fiorentini, D., Cappadone, C., Farruggia, G., & Prata, C. (2021). Magnesium: Biochemistry, Nutrition, Detection, and Social Impact of Diseases Linked to Its Deficiency. Nutrients, 13(4), 1136. https://doi.org/10.3390/nu13041136
  • FDA. (2016). Drug Safety Communication: Low magnesium levels can be associated with long-term use of Proton Pump Inhibitor drugs (PPIs). Retrieved from FDA website.
  • Rao, S., Chou, C., & Fisher, R. (1993). Diagnosis of Magnesium-Induced Diarrhea. New England Journal of Medicine, 328(13), 967-968. https://doi.org/10.1056/NEJM199304013281314