Scientific Opinion on the safety and efficacy of betaine (betaine anhydrous and betaine hydrochloride) as a feed additive for all animal species based on a dossier submitted by VITAC EEIG
EFSA Journal 2013;11(5):3210 [23 pp.].
14 May 2013
http://www.efsa.europa.eu/en/efsajournal/pub/3210.htm