Please assess the completion status of the following clinical trial:

Trial Title: Dietary Supplement With and Without a Probiotic

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Healthy adults between the ages of 18-75 years~* Willingness to complete all study procedures and clinic visits, and provide required samples~* Provides informed consent~Exclusion Criteria:~* Women who are pregnant or breastfeeding, or intend to become pregnant during the course of this study~* Subjects with history of lactose intolerance~* Subjects who are on a PPI regimen~* Subjects who have taken a probiotic during the previous 30 days, or intends to take a probiotic during the study.~* Subjects who have taken antibiotics within 120 days~* Alcohol or drug abuse during the last 12 months, including passing a screen for drugs of abuse at screening~* Unstable medical condition, in the opinion of the investigator~* Clinically significant abnormal laboratory test results at screening~* Participation in a clinical research trial within 30 days prior to screening~* Unable to give informed consent~* Any condition which may preclude subject's ability to comply with and complete the study or may pose a risk to the health of the subject

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- Cohort 1 (PPI + probiotic) (Type: EXPERIMENTAL): Subjects in Cohort 1 will take a PPI and a probiotic orally once daily on Days 1-7. Subjects will mix the probiotic in an aqueous diluent supplied by the pharmacy and ingest between 1-2 hours after taking a PPI.
- Cohort 2 (Complex oligosaccharide + PPI) (Type: EXPERIMENTAL): Subjects in Cohort 2 will take the complex oligosaccharide orally twice daily on Days 1-14. On Days 1-7, the first dose of the complex oligosaccharide will be taken between 1-2 hours after taking a PPI. On Days 8-14, subjects will not take a PPI prior to the complex oligosaccharide.
- Cohort 3-6 (Complex oligosaccharide + PPI +probiotic) (Type: EXPERIMENTAL): Subjects in Cohort 3, 4, and 6 will take a complex oligosaccharide orally twice daily (doses will vary per cohort) on Days 1-14 in combination with a probiotic orally once daily on Days 1-7. Cohort 5 will undergo the same dosing regimen a second time on days 29-43

Based on this trial design, predict the completion outcome and termination type (if applicable).