In the 2nd part of his article series, Tom Rayhawk examines in detail, different (and well known) nutrients and supplements and their impact on SREBP-1c levels. In particular, Tom discusses the use of CLA (you may be surprised by his findings), Arachodonic Acid and Berberine

http://www.mindandmuscle.net/articles/tom_rayhawk/serbp-1_part2