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Magnesium Bisglycinate as a Laxative: Gentle Relief or Too Much of a Good Thing?

Is magnesium bisglycinate causing digestive changes? Learn how it works, whether it acts as a laxative, and what to know before supplementing.



Magnesium is well-known for helping with sleep, muscle function, and stress alleviation. However, some types of magnesium can also help with digestion. You could be wondering if magnesium bisglycinate is working like a laxative if you notice changes in your bowel movements.

Disclaimer: This content is only meant to be informational and instructive; it is not a replacement for professional medical advice, diagnosis, or treatment. 

Table of Contents

What Is Magnesium Bisglycinate?

Magnesium bisglycinate is a chelated form of magnesium that is linked to the amino acid glycine. This bonding makes it easier for the body to absorb and less likely to cause digestive problems than other forms like magnesium oxide or citrate.

Some of the benefits are:

  • Effects that calm the nervous system

  • Help with sleep and muscular recovery

  • Less likely to cause diarrhea than stronger magnesium kinds

What Makes It Different from Other Types of Magnesium?

Magnesium supplements are absorbed and tolerated in very different ways:

  • Magnesium citrate: Often used as a laxative since it works well in the intestines.

  • Magnesium oxide: Not very well absorbed and more likely to give you diarrhea.

  • Magnesium bisglycinate: Gentler and easier to absorb, with a lesser chance of diarrhea.

This makes bisglycinate perfect for anyone who want the advantages of magnesium without feeling rushed or cramping.

Can Magnesium Bisglycinate Help You Poop?

Yes, but not in the same way that citrate or oxide does. Even while bisglycinate isn't mainly used as a laxative, the magnesium in it nevertheless helps relax smooth muscles, like those in the digestive tract.

Some people may notice that their feces becomes softer when they take bigger amounts (more than 300–400 mg per day). But unless you use it too much, it usually doesn't make you have to go to the bathroom right away or in a hurry.

Who Benefits from Its Soft Effects?

People who want magnesium bisglycinate should consider it:

  • Need magnesium but have a sensitive stomach

  • Want help with stress, sleep, or muscle health over the long term

  • Sometimes have trouble with constipation, but don't want to take severe laxatives

People who are pregnant, under a lot of stress, or have persistent muscle tension are also often told to do it.

Advice for Safe Use and Best Results

  • Start small and work your way up: Start with 100 to 200 mg a day and change it according on how well you handle it.

  • Take with food: This might help your body absorb the medicine better and make your stomach less sensitive.

  • Watch your bowel habits: If your stools get too loose, lower your dose.

  • Drink plenty of water: Magnesium helps digestion work better when you drink enough water.

Before starting any new supplement, especially if you have long-term GI problems, you should always talk to a doctor.

Conclusion

Magnesium bisglycinate is one of the mildest forms of magnesium. It has mild digestive advantages that make it a good choice for people who want relief without any side effects. It doesn't work like a laxative in the usual sense, but it can help keep your bowels regular in a calm, balanced fashion.

Want a vitamin that helps you feel calm and comfortable? Magnesium bisglycinate may be the answer.

References and Resources

  • Ginta, D. (2025, April 16). Everything you should know about Magnesium glycinate. Healthline. https://www.healthline.com/health/magnesium-glycinate
  • Noble.Dana. (2024, April 17). Magnesium glycinate: Is this supplement helpful for you? Mayo Clinic Press. https://mcpress.mayoclinic.org/nutrition-fitness/magnesium-glycinate-is-this-supplement-helpful-for-you/