据欧盟网站消息，5月6日欧盟发布（EU）2015/723号法规，批准维生素H作为动物饲料添加剂。该法规自公布二十日起生效。

生物素在添加剂分类当中属于“营养添加剂”，在功能分组当中属于“维生素、维生素原以及有类似效应化学性质定义良好物质”，被批准作为动物营养添加剂。

维生素H的测定方法如下：

饲料添加剂中D-（+）-维生素H的测定：电位滴定法测定和光学旋转测定（欧盟药典6.0方法01/2008:1073）；预混合物和饲料中D-（+）-维生素H的测定：反相高效液相色谱法结合质谱法（RP-HPLC-MS/MS）；水中D-（+）-维生素H的测定：微生物测定法（美国法典21，方法（88） 1986）。

部分原文报道如下：

COMMISSION IMPLEMENTING REGULATION （EU） 2015/723 of 5 May 2015

concerning the authorisation of biotin as a feed additive for all animal species

Article 1

The substance specified in the Annex, belonging to the additive category 'nutritional additives' and to the functional group 'vitamins, pro-vitamins and chemically well-defined substances having similar effect‘， is authorised as an additive in animal nutrition subject to the conditions laid down in that Annex.

Article 2

1.   The substance specified in the Annex and premixtures containing that substance, which are produced and labelled before 26 November 2015 in accordance with the rules applicable before 26 May 2015 may continue to be placed on the market and used until the existing stocks are exhausted.

原文链接：http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2015.115.01.0022.01.ENG