Pharmaceutical preparations for the treatment and/or prevention of metabolic diseases, vascular diseases, neurodegenerative diseases, skeletal diseases, mental disorders and gastroenterological diseases; pharmaceutical preparations for the treatment and/or prevention of pre-diabetic conditions, insulin resistance, obesity, type 2 diabetes, metabolic syndrome, hyperlipidemia, non-alcoholic fatty liver steatohepatitis, non-alcoholic steatohepatitis, depression, motivational disorders, depressiv...