Inclusion Criteria:  Women ages 18-65 years old Diagnosed with IC/BPS for at least one month prior to study enrollment  Exclusion Criteria:  Culture proven urinary tract infection within 1 month of randomization Gross hematuria Currently pregnant or breastfeeding Unable to speak and read English History of allergic reaction to peppermint, coconut or enteric coating History of malabsorption syndrome History of gastroparesis History of gastric bypass surgery History of gastrointestinal, genitourinary or pelvic cancer in the last 5 years History of insulin dependent diabetes History of active urinary stone disease