Please assess the completion status of the following clinical trial:

Trial Title: Dietary Supplements for COVID-19

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Adults (≥18) who test positive for SARS-CoV-2 in an outpatient setting~2. Access to internet~Exclusion Criteria:~1. Symptom onset greater than 4 days prior to enrolment~2. Supplementing regularly with \>500 mg vitamin C, \>1000 units vitamin D, \>120 mcg vitamin K (any form), or \>15 mg zinc taken daily within the past month~3. Currently taking warfarin or an equivalent vitamin K antagonist anticoagulant~4. End stage chronic kidney disease~5. History of calcium oxalate kidney stones~6. Active granulomatosis (sarcoidosis, tuberculosis, lymphoma)~7. Known hypercalcemia or hypervitaminosis D~8. Currently taking either of the following antibiotics: cephalexin, tetracyclines~9. Participating in an investigational study or participation in an investigational study within the past 30 days~10. Any reason which, under the discretion of the qualified investigator or delegate, would preclude the patient from participating.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Treatment (Type: EXPERIMENTAL): Specific Product: Vitamin D3 50,000 IU~Formulation: Capsule. Each capsule will contain 500 mg (50,000 units) cholecalciferol (vitamin D3) Dose: One capsule on day 1 of the intervention period~Specific Product: Vitamin K2/D~Formulation: Liquid. Each 0.0285 mL drop contains 30 mcg menaquinone-7 (MK-7, vitamin K2) and 3.125 mcg (125 units) cholecalciferol (vitamin D3).~Dose: 0.114 mL (four drops) twice daily for 21 days totalling 240mcg MK-7 and 1,000 units cholecalciferol per day.~Specific Product: Vitamin C/Zinc~Formulation: Capsule. Each capsule will contain 666 mg ascorbic acid (vitamin C) and 8.3 mg of zinc acetate Dose: Three capsules three times daily for 21 days totalling 6 g ascorbic acid and 75 mg zinc acetate per day.
- Control (Type: PLACEBO_COMPARATOR): Specific Product: Vitamin D3 50,000 IU~Placebo Equivalent: microcrystalline cellulose capsule, 350 mg~Specific Product: Vitamin K2/D~Placebo Equivalent: Medium chain triglyceride oil~Specific Product: Vitamin C/Zinc~Placebo Equivalent: microcrystalline cellulose capsule, 350 mg

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