Please assess the completion status of the following clinical trial:

Trial Title: Effect of Natural Food on Gut Microbiome and Phospholipid Spectrum of Immune Cells in COVID-19 Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Age 18 years and older;~2. Patients in rehabilitation after COVID-19;~3. Signed informed consent;~4. Presence of patient's history of COVID-19, reliably established by PCR+ /presence of IgG/ diagnosis of coronavirus pneumonia on Computer Tomography based on discharge from hospital or outpatient records.~Exclusion Criteria:~1. Chronic inflammatory bowel disease;~2. Gut microbiota transplantation;~3. Chronic pancreatic disease, period of exacerbation;~4. Liver cirrhosis, Metavir stage 3-4;~5. Any disease in the decompensation stage;~6. Neuralgic and psychological disorders that interfere with the study;~7. Cancer;~8. Non-transportable patients;~9. Patients who do not reside in Almaty;~10. Patients who have refused to participate in the study.

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

Study Arms:
- Main Group (Type: EXPERIMENTAL): Patients who had suffered from COVID-19 in the six months before the start of the study. Patients will receive Saumal (freeze-dried mare milk) for four weeks.
- Control Group (Type: NO_INTERVENTION): Patients who had suffered from COVID-19 in the six months before the start of the study. There will be no intervention.

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