The invention relates to a composition for Alzheimer's prophylaxis and/or for therapeutic treatment of pre-existing symptoms of the type of Alzheimer's disease comprising a mixture of VLCFA3, in particular based on montan waxes and/or derivatives thereof or Guerbet acids or the corresponding components of carnauba wax, shellac or policosanols or VLCFA3 from natural waxes, where appropriate in combination with physiologically tolerated copper salts such as copper orotate and in combination with DMAE. The composition can be administered orally according to the invention as food additive or as beverage.