The PRIDE Study Probiotics on Regulation and Improving Digestive hEalth

Inclusion Criteria: * Being female * Ability to speak and write English or Spanish * Willingness to refrain from specified probiotic supplements, during the 12 week trial (a list of prohibited products will be provided) * Have access to refrigeration and phone * Have a history of straining during bowel movements * Have a history of lumpy or hard stools Exclusion Criteria: * Presence of an allergy or intolerance to any ingredients in yogurt * Morbid obesity, defined as a BMI\>40 * Having inflammatory bowel disease * Having a history of malabsorption syndrome * Immunodeficiency, such as HIV or currently receiving chemotherapy * Consumption of any medications used to treat, prevent or cure diarrhea in the last month * Consumption of any medications used to treat, prevent or cure constipation in the last month * Diabetes mellitus * Thyroid disorders, including hypo- or hyperthyroidism * History of gastric, small bowel or colonic resection * Documented history of gastric emptying disorder * Consumption of narcotics, antipsychotic medications, or verapamil in the last month * Known pelvic outlet obstruction * Antibiotic usage within 4 weeks of enrollment * Pregnancy