Chemicals for laboratory analyses and metabolic studies, for medical or veterinary purposes, cultures of micro organisms or microbes for medical or veterinary purposes, substances of bacteria or yeast for laboratory analyses and metabolic studies for medical or veterinary purposes, solutions of bacteria or yeast for laboratory analyses and metabolic studies for medical or veterinary purposes, testing agents for laboratory analyses and metabolic studies for medical or veterinary purposes, nutrients for micro organisms, flower extracts, grass extracts, root extracts, tree extracts as well as micro organism extracts for laboratory analyses and metabolic studies for medical and veterinary purposes