Commission Implementing Regulation (EU) 2016/1768 of 4 October 2016 concerning the authorisation of guanidinoacetic acid as a feed additive for chickens for fattening, weaned piglets and pigs for fattening and repealing Commission Regulation (EC) No 904/2009 (Text with EEA relevance)
Data as of 2026-07-04 · Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗
The substance specified in the Annex, belonging to the additive category ‘nutritional additives’ and to the functional group ‘amino acids, their salts and analogues’, is authorised as an additive in animal nutrition subject to the conditions laid down in that Annex.
Regulation (EC) No 904/2009 is repealed.
1. The substance specified in the Annex and premixtures containing that substance, which are produced and labelled before 25 April 2017 in accordance with the rules applicable before 25 October 2016 may continue to be placed on the market and used until the existing stocks are exhausted. 2. Feed materials and compound feed containing the substance referred to in paragraph 1 may be placed on the market until 25 October 2017 in accordance with the rules applicable before 25 October 2016 and used until the existing stocks are exhausted.
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .
ANNEX Identification number of the additive Name of the holder of authorisation Additive Composition, chemical formula, description, analytical method. Species or category of animal Maximum age Minimum content Maximum content Other provisions End of period of authorisation mg guanidinoacetic acid/kg of complete feed with a moisture content of 12 % Category of nutritional additives. Functional group: amino acids, their salts and analogues 3c372 — Guanidinoacetic acid Additive composition Powder with a minimum content of 98 % guanidinoacetic acid (on a dry matter basis). Characterisation of the active substance Guanidinoacetic acid produced by chemical synthesis Chemical formula: C 3 H 7 N 3 O 2 CAS number: 352-97-6 Impurities: — maximum cyanamide content 0,03 %; — maximum dicyandiamide content 0,5 %. Analytical method ( 1 ) For the determination of guanidinoacetic acid in the feed: — ion chromatography coupled with ultraviolet detection (IC-UV). Chickens for fattening, weaned piglets and pigs for fattening 600 1 200 1. The moisture content shall be indicated on the labelling of the additive. 2. Guanidinoacetic acid may be placed on the market and used as an additive consisting of a preparation. 3. When using the additive, attention shall be paid to the supply with methyl donors other than methionine in the diet of the animal. 4. For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks by inhalation. Where those risks cannot be eliminated or reduced to a minimum by such procedures and measures, the additive and premixtures shall be used with personal protective equipment, including breathing protection, safety glasses and gloves. 25 October 2026 ( 1 ) Details of the analytical methods are available at the following address of the Reference Laboratory: https://ec.europa.eu/jrc/en/eurl/feed-additives/evaluation-reports
Source: EUR-Lex (Publications Office of the EU), © European Union, reuse permitted under Commission Decision 2011/833/EU.