Hydrogen and methane breath sampling
Breath samples were provided via 3 to 5 second exhalation at both baseline (Day 0) and at the end of study visit (Day 56 [ ± 2 days]) after the 12-hour fasting period. Samples were analyzed using gas chromatography performed on an Agilent 7890B (Agilent, Santa Clara, United States). Carbon dioxide (CO