BLI801 Laxative in Constipated Adults

Inclusion Criteria: * Constipated, defined by ROME III definition * Subject has \< 3 satisfactory BMs during the run-in period Exclusion Criteria: * Subjects with known or suspected ileus, gastrointestinal obstruction, gastric retention, bowel perforation, toxic colitis, toxic megacolon * Subjects taking laxatives or prokinetic agents that refuse to discontinue these treatments. * Subjects who are allergic to any BLI801 component * Subjects taking narcotic analgesics or other medications known to cause constipation. * Subjects who, in the opinion of the Investigator, should not be included in the study for any reason, including inability to follow study procedures * Subjects who have participated in an investigational clinical, surgical, drug, or device study within the past 30 days * Subjects with an active history of drug or alcohol abuse