Dietary supplement composition, comprising• (A) at least one agent that promotes the synthesis of ATP and/or creatinine phosphate,• (B) at least one antioxidant for reducing or eliminating free radicals in at least one pathway and normalizing the balance of oxidative stress, thereby improving cellular mitochondrial function,• (C) at least one agent for normalizing or maintaining normal neurotransmitter function; protein synthesis; psychological function and normal muscle contraction,• (D) at least one agent for normalizing or maintaining the production of serotonin, melatonin and niacin in the human body.Of application in normalizing the alteration or deterioration of neurological function and normal function of the mitochondrial structure in the human body, improving general energy performance, concentration and physical stress resistance, thereby contributing to the improvement of mood in situations of stress, helping to minimize side effects in anticholesterol treatments with statins.