Skip to content

What is the Easiest Magnesium Supplement to Take on Your Stomach?

5 min read

Over half of adults in the United States may not meet their daily magnesium needs through diet alone. When turning to supplements, many people experience digestive issues, making it crucial to find out what is the easiest magnesium supplement to take on your stomach. The key lies in understanding how different forms of this essential mineral are absorbed and processed by the body.

Quick Summary

This article examines the forms of magnesium most suitable for sensitive stomachs, focusing on highly absorbable options like glycinate and malate. It explains why some forms cause gastrointestinal distress while others are gentle, detailing their distinct benefits and side effects to help you choose wisely.

Key Points

  • Magnesium Glycinate: A highly bioavailable, chelated form bound to the amino acid glycine, making it exceptionally gentle on the stomach and ideal for promoting relaxation and sleep.

  • Magnesium Malate: Combines magnesium with malic acid, offering high absorption with minimal laxative effects, and is beneficial for energy production and muscle support.

  • Avoid Magnesium Oxide: This form is poorly absorbed and has a strong laxative effect, making it a poor choice for raising magnesium levels and very harsh on the stomach.

  • Magnesium Citrate is a Laxative: While well-absorbed, magnesium citrate pulls water into the intestines to relieve constipation and is not suitable for daily use on a sensitive stomach.

  • Take with Food: To minimize stomach upset, take magnesium supplements with a meal or snack, especially when starting a new regimen.

  • Start with a Low Dose: Begin with the lowest effective dose and gradually increase it to help your body adjust and monitor for any side effects.

  • Consider Other Gentle Forms: Besides glycinate and malate, other gentle options include magnesium taurate (good for heart health) and magnesium lactate.

In This Article

Understanding Magnesium and Stomach Sensitivity

Magnesium is an essential mineral involved in over 300 biochemical reactions in the human body, playing a crucial role in nerve function, muscle contraction, blood pressure regulation, and bone health. However, some forms of magnesium supplements are notorious for causing digestive discomfort, including diarrhea, nausea, and cramping. This is largely due to differences in bioavailability and how they draw water into the intestines.

The digestive issues arise because some magnesium compounds are poorly absorbed by the small intestine. This unabsorbed mineral then travels to the colon, where it creates an osmotic effect, pulling water from the body into the bowel. The resulting watery stool is the cause of the common laxative side effects. Highly bioavailable forms, which are readily absorbed, leave less unabsorbed magnesium in the gut, making them much gentler on the stomach. Organic forms, where magnesium is chelated (bound) to an amino acid or an organic acid, are generally more easily absorbed and better tolerated.

The Gentlest Forms of Magnesium for a Sensitive Stomach

For individuals with a sensitive digestive system, not all magnesium supplements are created equal. The best forms to consider are those with high bioavailability and minimal laxative effects.

  • Magnesium Glycinate (or Bisglycinate): This is often cited as the easiest and most absorbable form of magnesium. It is bound to the amino acid glycine, which is known for its calming properties. The chelated structure protects the magnesium from the stomach's environment and allows it to be absorbed efficiently in the small intestine, leading to fewer digestive side effects. Glycinate is ideal for stress reduction, improving sleep, and muscle relaxation.

  • Magnesium Malate: This form is bound to malic acid, an organic compound found naturally in fruits like apples. It is highly bioavailable and gentle on the digestive system, with a mild-to-non-existent laxative effect. Because malic acid is involved in the Krebs cycle (energy production), magnesium malate is often favored by those looking to boost energy levels and support muscle function. It is a good choice for people with chronic fatigue or fibromyalgia.

  • Magnesium Taurate: Combining magnesium with the amino acid taurine, this form is very gentle on the stomach and focuses on cardiovascular support. Both magnesium and taurine play a role in regulating blood pressure and protecting heart health. Like glycinate, it is a chelated form, making it highly absorbable and well-tolerated by sensitive digestive systems.

  • Magnesium Lactate: This form of magnesium is also easily absorbed and known for its good digestive tolerance. A slow-release version of magnesium lactate was found to cause fewer digestive side effects in a study of individuals requiring high daily doses.

Forms to Approach with Caution

Certain forms of magnesium are less suitable for sensitive stomachs due to their lower absorption rate and osmotic properties.

  • Magnesium Citrate: While well-absorbed, magnesium citrate draws water into the bowels and is primarily known for its laxative effects. For this reason, it is not recommended for daily supplementation for those with sensitive stomachs, unless constipation is the primary goal.

  • Magnesium Oxide: One of the most common and inexpensive forms, magnesium oxide is poorly absorbed by the body. Its primary use is as a laxative or antacid due to its strong water-drawing properties. This low bioavailability means it frequently causes digestive upset, making it a poor choice for those seeking to raise their overall magnesium levels gently.

  • Marine Magnesium: Often a blend of inorganic magnesium salts like oxide, this variant can also lead to digestive issues due to low bioavailability.

How to Choose and Supplement Strategically

Choosing the right form is only part of the equation. How you take your supplement can also significantly impact tolerability.

  • Start with a Low Dose: Always begin with the lowest recommended dose to see how your body reacts. You can gradually increase it over time if needed.
  • Take with Food: Consuming magnesium supplements with a meal or a snack can help buffer the mineral and slow down its digestion, reducing the likelihood of stomach upset.
  • Split the Dose: Instead of taking a large single dose, consider splitting your daily intake into smaller portions throughout the day to improve tolerance.

Comparison Table: Magnesium Forms for Sensitive Stomachs

Feature Magnesium Glycinate Magnesium Malate Magnesium Citrate Magnesium Oxide
Gentle on Stomach? Yes (Very Gentle) Yes (Gentle) No (Laxative Effect) No (High Laxative Effect)
Bioavailability High High Moderate to High Low
Primary Use Relaxation, sleep, anxiety Energy, muscle function, fatigue Constipation relief Heartburn, constipation
Recommended For Sensitive digestion, daily use Active individuals, fatigue Occasional constipation only Occasional digestive issues
Best For Daily Use Yes Yes No No

Conclusion: Finding the Right Magnesium for You

The best magnesium supplement for a sensitive stomach is one that is highly bioavailable and gentle on the digestive tract. Magnesium glycinate and magnesium malate stand out as excellent choices for most people seeking to increase their magnesium intake without unwanted gastrointestinal side effects. These chelated, organic forms are well-absorbed and better tolerated than cheaper, inorganic alternatives like magnesium oxide or the potent laxative, magnesium citrate. By opting for a high-quality, gentle form and adjusting your dosage and timing, you can support your overall health and well-being comfortably. Always consult a healthcare professional before starting any new supplement regimen to ensure it aligns with your specific health needs.

Disclaimer: This article provides general information and is not a substitute for professional medical advice. Always consult a healthcare provider for any health concerns or before starting a new supplement.

References

Healthline: Types of Magnesium and Their Benefits Medichecks: Which Magnesium Supplement is Best For You? Verywell Health: When to Take Magnesium Glycinate Victory Men's Health: Magnesium Glycinate vs. Magnesium Citrate Drugs.com: Should I take magnesium with or without food? iHerb: Magnesium Glycinate, High Absorption The Good Bug: Different Types of Magnesium and Their Digestion Benefits Consensus: Magnesium Supplementation And Gastrointestinal Side Effects Mama's Select: Magnesium Malate Benefits Ethical Nutrition: Magnesium with Malate Medical News Today: 8 Types of magnesium and their benefits Vinmec: Potential Side Effects of Magnesium Supplements Everyday Health: Can Taking Magnesium Supplements Give You Gas? Drugs.com: Should I take magnesium with or without food? Healthline: Magnesium Glycinate Spriggs Nutrition: Magnesium Types Qntsport: Magnesium Bisglycinate MiYé: Which types of magnesium is best Sango Pharmacy: Magnesium Glycinate vs. Citrate Health: Magnesium Citrate vs. Magnesium Glycinate Health: Different Types of Magnesium: Which One Should You Take? Times of India: 5 different types of magnesium and when to consume them WebMD: Health Benefits of Magnesium Citrate NFO: Magnesium Citrate supplement Health.com: Top Health Benefits of Magnesium Citrate

Frequently Asked Questions

Magnesium glycinate (or bisglycinate) is widely considered the best choice for a sensitive stomach. It is a chelated form with high bioavailability and is less likely to cause digestive issues like diarrhea compared to other types.

Yes, magnesium citrate can be hard on the stomach for many people. It has an osmotic effect that draws water into the intestines, making it an effective laxative, which is why it is not ideal for daily supplementation, especially for those with digestive sensitivity.

Magnesium can upset your stomach because certain forms, particularly those with low bioavailability like magnesium oxide, are not well-absorbed in the small intestine. The unabsorbed mineral attracts water into the colon, leading to a laxative effect, cramping, or nausea.

Magnesium malate is generally well-tolerated and less likely to cause digestive issues than other forms. Because it is highly bioavailable, less unabsorbed magnesium is left to cause an osmotic effect in the intestines.

Yes, magnesium glycinate is much less likely to cause diarrhea than other forms. The chelated structure, where magnesium is bound to glycine, allows for efficient absorption and utilization, reducing the amount of unabsorbed mineral in the gut.

Taking your magnesium supplement with food or a snack is recommended to help minimize the risk of stomach upset, such as nausea or cramping. It can also enhance absorption by slowing transit time in the digestive tract.

Symptoms of a magnesium overdose, which are often gastrointestinal, can include nausea, diarrhea, abdominal cramping, and bloating. In very high doses, it can lead to more severe symptoms like irregular heart rate and muscle weakness.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.