{"abstract":"The Food and Drug Administration (FDA, we, or the Agency) is amending the regulations for food additives permitted in feed and drinking water of animals to provide for the safe use of guanidinoacetic acid as a precursor of creatine in poultry feeds. This action is in response to a food additive petition filed by Alzchem Trostberg GmbH.","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF HEALTH AND HUMAN SERVICES","name":"Health and Human Services Department","id":221,"url":"https://www.federalregister.gov/agencies/health-and-human-services-department","json_url":"https://www.federalregister.gov/api/v1/agencies/221","parent_id":null,"slug":"health-and-human-services-department"},{"raw_name":"Food and Drug Administration","name":"Food and Drug Administration","id":199,"url":"https://www.federalregister.gov/agencies/food-and-drug-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/199","parent_id":221,"slug":"food-and-drug-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2021/07/14/2021-15070.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"573","title":21}],"citation":"86 FR 37037","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective July 14, 2021. See section V of this document for further information on the filing of objections. Submit either electronic or written objections and requests for a hearing on the final rule by August 13, 2021.","disposition_notes":null,"docket_ids":["Docket No. FDA-2019-F-5401"],"dockets":[],"document_number":"2021-15070","effective_on":"2021-07-14","end_page":37038,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2021/07/14/2021-15070.xml","html_url":"https://www.federalregister.gov/documents/2021/07/14/2021-15070/food-additives-permitted-in-feed-and-drinking-water-of-animals-guanidinoacetic-acid","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2021-15070?publication_date=2021-07-14","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2021-07-14/2021-15070/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":2323,"last_updated":"2026-06-24 00:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2021-07-14/pdf/2021-15070.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2021-15070.pdf?1626180339","publication_date":"2021-07-14","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2021/07/14/2021-15070.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":1,"agency_id":"FDA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FDA-2019-F-5401","supporting_documents_count":0,"docket_id":"FDA-2019-F-5401","document_id":"FDA-2019-F-5401-0002","regulation_id_number":null,"title":"Alzchem Trostberg GmbH; Filing of Food Additive Petition (Animal Use)","checked_regulationsdotgov_at":"2021-08-14T04:52:53Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":37037,"subtype":null,"title":"Food Additives Permitted in Feed and Drinking Water of Animals; Guanidinoacetic Acid","toc_doc":"Guanidinoacetic Acid","toc_subject":"Food Additives Permitted in Feed and Drinking Water of Animals:\n","topics":["Food additives"],"type":"Rule","volume":86}