You can check Regulation EC 1169/2011, art. 15. And the relevant Member State regulation from the countries you want to bring the product to market. My advice: do it in the language of the country.
Article 15 Language requirements
1. Without prejudice to Article 9(3), mandatory food information shall appear in a language easily understood by the consumers of the Member States where a food is marketed.
2. Within their own territory, the Member States in which a food is marketed may stipulate that the particulars shall be given in one or more languages from among the official languages of the Union.
3. Paragraphs 1 and 2 shall not preclude the particulars from being indicated in several languages