Condition:Covid19;Fatigue Syndrome, ChronicIntervention:Dietary Supplement: 1-MNAPrimary outcome:6MWT;FSSCriteria: Inclusion Criteria: - Patients after COVID-19 - Patients expressing subjective feelings of limited tolerance to exercise and above 50% greater fatigue compared to their pre-COVID-19 levels (symptoms must have continued for at least four weeks since the last symptoms of infection) Exclusion Criteria: - Patients with cardiological complications - Patients with pulmonological complications - Patients with Chronic Obstructive Pulmonary Disease and/or asthma
Use of 1-MNA to Improve Exercise Tolerance and Fatigue in Patients After COVID-19