The present invention relates a pharmaceutical preparation for use in the treatment of ageing or as an anti-ageing agent, which is preparable by a production method comprising the following steps: providing a liquid collected from an organism, which liquid comprises cellular constituents of blood, and a vessel or containment means and contacting said liquid with said vessel or containment means, wherein (i) said production method further comprises the step of incubating said liquid in said vessel or containment means, and optionally removing cellular constituents of said liquid after said incubation, (ii) said liquid comprises exosomes, and said production method further comprises the steps of concentrating said exosomes and optionally removing cellular constituents of said liquid after said concentration, or the step of isolating said exosomes, or (iii) said production method further comprises the step of avoiding incubation of said liquid, and the step of removing cellular constituents of said liquid contacted with said vessel or containment means.本發明係關於一種用於治療老化或作為抗老化藥劑的醫藥製劑,其可藉由包括以下步驟的製造方法來製備:提供收集自生物體之液體,該液體包含血液之細胞成分,及提供器皿或容納構件,並使該液體與該器皿或容納構件接觸,其中(i)該製造方法進一步包括於該器皿或容納構件中培養該液體,及視需要於該培養後移除該液體之細胞成分的步驟,(ii)該液體包含胞外體,且該製造方法進一步包括濃縮該等胞外體及視需要於該濃縮後移除該液體之細胞成分的步驟,或分離該等胞外體之步驟,或(iii)該製造方法進一步包括避開該液體之培養的步驟,及移除與該器皿或容納構件接觸之該液體之細胞成分的步驟。