Association comprising: - dry extract of: a) Vicia faba, b) Uncaria rhyncophylla and c) liquorice root, - coenzyme QIO, and preferably at least one vitamin chosen from vitamin C and E for use as coadjuvant for improving the quality of life (QOL) in subjects with movement disorders and in particular in subjects suffering from Parkinson's disease. This association is preferably in an oral formulation, more preferably in the form of a food supplement.
