Magnesium Citrate


Magnesium Citrate is a compound formed by combining magnesium preparation with citric acid. This formulation is commonly available in the form of oral tablets or liquid solutions. It serves a variety of health-related purposes, especially in medical and nutritional fields.

Also Known As

Magnesium Citrate is known by several names and identifiers, reflecting its chemical composition and common applications:

  • Magnesium 2-hydroxypropane-1,2,3-tricarboxylate
  • E345


Magnesium Citrate is primarily used in the medical field as a laxative to clean the intestines before surgeries or certain bowel procedures like colonoscopy. It is also widely used to treat short-term constipation, acting as a saline laxative that increases fluid in the small intestine to stimulate bowel movements.


Magnesium Citrate serves an essential role in healthcare, particularly in facilitating bowel movements and preparing the intestines for medical procedures. Its effectiveness is attributed to its osmotic effect, which draws water into the intestines, softening the stool and increasing bowel activity. Typically, it leads to a bowel movement within 30 minutes to 3 hours after ingestion.

Key points:

  • Acts as a saline laxative for treating constipation.
  • Helps in cleaning the intestines before surgical or diagnostic procedures.
  • Usually results in bowel movement within 30 minutes to 3 hours of consumption.

Common Dosage

For adults maintaining health, the recommended dosage of Magnesium Citrate is 400mg per day. This dosage can effectively address constipation and prepare the intestines for medical examinations, ensuring both safety and efficacy.


Magnesium Citrate is a valuable compound in the medical field, primarily used for its laxative properties and effectiveness in intestinal preparation for procedures. Its combination with citric acid enhances its utility in treating constipation and ensuring the cleanliness of the intestines before medical examinations.

  • Used as a saline laxative and for bowel preparation.
  • Recommended daily dosage for adults is 400mg.
  • Essential for medical procedures requiring intestinal cleanliness.

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