Guanidinoacetic acid is authorised in Europe as a nutritional feed additive, category amino acids, their salts and analogues (category 3c372). In the US, GAA is authorized as a food additive regulated in the Code of Federal Register under 21CFR 573 496. GAA is approved and in use as well in many countries in Latin America, Russia, Southeast Asia, Middle East and Africa. Not all applications shown below are registered in all countries.
