Cardi Q 50 mg is a dietary supplement containing Coenzyme Q10 (CoQ10), a fat-soluble, vitamin-like substance essential for cellular energy production and antioxidant protection. CoQ10 plays a critical role in the mitochondrial electron transport chain, facilitating ATP synthesis, which is vital for the energy needs of various organs, especially the heart. Additionally, its antioxidant properties help protect cells from oxidative damage.