This product is used to clean stool from the intestines before surgery or certain bowel procedures (such as colonoscopy, radiography), usually with other products. It may also be used for relief of constipation. However, milder products (such as stool softeners, bulk-forming laxatives... Magnesium citrate is a saline laxative that is thought to work by increasing fluid in the small intestine. It usually results in a bowel movement within 30 minutes to 3 hours. View More Info

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