5 Pharmaceutical preparations and substances in the nature of exosomes for use as prescription and non-prescription medicines for the treatment of infectious diseases, viral, metabolic, endocrine, musculoskeletal, cardiovascular, cardiopulmonary, genitourinary, sexual dysfunction, oncological, hepatological, ophthalmic, respiratory, neurological, gastrointestinal, hormonal, dermatological, psychiatric and immune system related diseases and disorders; drug delivery agents in the form of caplets, tablets and capsules that provide controlled release of the active ingredients for a wide variety of pharmaceuticals