Magnesium is crucial for over 300 bodily functions, yet many people are deficient. Supplementing can be beneficial, but traditional forms often cause digestive upset. This article explores magnesium supplements known for being gentler on the stomach.
Why Magnesium Supplements Cause Stomach Issues
Common magnesium forms like magnesium oxide have poor absorption rates. Unabsorbed magnesium draws water into the intestines, leading to diarrhea, cramping, and nausea. Other forms, even well-absorbed ones, can still irritate sensitive stomachs.
Factors Influencing Stomach Sensitivity
- Dosage: Higher doses are more likely to cause issues.
- Form of Magnesium: Some forms are inherently more gentle.
- Individual Sensitivity: Some people are simply more prone to digestive upset.
- Timing: Taking magnesium on an empty stomach can worsen symptoms.
Magnesium Forms Easier on the Stomach
Several magnesium forms are designed for better absorption and reduced digestive side effects:
Magnesium Glycinate
Highly Recommended. Glycine is an amino acid that enhances absorption and has calming properties. Magnesium glycinate is well-tolerated and less likely to cause diarrhea. It’s often preferred for sleep and anxiety.
Magnesium Citrate (in lower doses)
While known for its laxative effect, lower doses (around 100-200mg) of magnesium citrate can be well-tolerated by some. It’s water-soluble and readily absorbed, but start slowly.
Magnesium Malate
Bound to malic acid, naturally found in apples. Magnesium malate is thought to be gentler than citrate and may be helpful for those with fatigue or fibromyalgia. It supports energy production.
Magnesium Threonate
This form shows promise for brain health, as it can cross the blood-brain barrier more effectively. It’s generally well-tolerated, though more expensive than other options.
Magnesium Taurate
Combines magnesium with taurine, an amino acid beneficial for heart health. It’s considered gentle and may help regulate blood sugar.
Tips for Minimizing Stomach Upset
- Start with a Low Dose: Begin with 100-200mg and gradually increase as tolerated.
- Take with Food: Consuming magnesium with a meal can significantly reduce digestive issues.
- Divide Your Dose: Instead of taking a large dose once a day, split it into smaller doses throughout the day.
- Stay Hydrated: Drinking plenty of water aids absorption and prevents constipation.
- Consider a Chelated Form: Chelated magnesium (like glycinate) is bound to an amino acid, improving absorption.



