Effer-K® kosher Post author:admineksite Post published:May 5, 2012 Post category:ingredients Post comments:0 Comments You Might Also Like Potassium for the Purists February 24, 2010 Effer-K® kosher May 5, 2012 Effer-K does not contain lactose July 24, 2013 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.