Is Smartkids free of common allergens? Allysian Support August 30, 2017 02:11 Updated Follow Is Smartkids free of common allergens? Yes. Smartkids contains no nuts, egg, milk, or soy. For more information on Smartkids, please visit the Smartkids product page. Related articles If my child is allergic to fish, fish protein, berries, or certain fruits, can they take Smartkids? Comments 0 comments Article is closed for comments.