Could they be referring to BG-12, which is based on an rx psoriasis treatment which in turn is based on fumaric acid? Neither BG-12 or the psoriasis treatment it's based on is or will be OTC, but fumaric acid is in OTC psoriasis treatments.
http://www.biogenidec.com/press_rele...&ReqId=1619878
http://www.msrc.co.uk/index.cfm/fuse...ow/pageid/1679