All Effax Products are manufactured in Germany by Schweizer-Effax and fulfil the GMP Standard. The GMP Standard is the highest form of international recognition in the sector of pharmaceutical production. GMP (Good Manufacturing Practice) really means exactly what it says: guidelines regarding quality assurance of the production process and environment in the production of pharmaceuticals, active substances and medicinal products, as well as foodstuffs for humans and animal feeds. Quality assurance is of crucial significance in pharmaceutical production because even the most minimal variations in quality can have a direct effect on the health of the human beings or animals that use them.