Lipoico Acti Nerv Retard Nervous system supplement 30 tablets is a supplement based on Lipoic Acid, a bio-synthesized substance produced, in small quantities, by the organism that has its own functionality, therefore it is produced by our body: it possesses, for example , antioxidant effects. This property is essential to counteract various situations of metabolic-oxidative stress, caused by the action of an excess of free radicals.