Anyone else had any luck with these? Trying for the first time myself : r cfs Endothelial dysfunction is common in both Long COVID and ME CFS and has been linked to symptoms like fatigue, chest pain, and brain fog. Research suggests that certain supplementslike L arginine, CoQ10, curcumin, and LIQUID L CARNITINE mexucan Patient reported treatment outcomes in ME CFS and long COVID PNAS The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation