Post Covid-19 chronic fatigue: an observational survey highlights the positive effects of Apportal® Sponsored Content by PharmaNutra SpaApr 22 2021 A recent observational survey conducted throughout the Italian territory examined a group of subjects who had persistent fatigue, despite having passed the acute phase of Sars-CoV-2 infection for more than a month. Image Credit: PharmaNutra S.p.A. The subjects took the supplement Apportal® (vitamins, minerals, amino acids and phytoextracts) and completed specific questionnaires at the beginning, after 14 and after 28 days of taking the supplement. The first data show a progressive and significant improvement in both physical and mental fatigue and an improvement in the quality of life of these subjects.