Metabolic activators and the coronavirus (IMAGE) KTH, Royal Institute of Technology Caption Patients experienced a 3.5 day reduction in recovery time when receiving the combination of metabolic activators, nicotinamide riboside (NR), L-serine, N-acetyl-L-cysteine (NAC), and L-carnitine tartrate. Credit Adil Mardinoglu Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.