Supplementation can definitely aid in suppressing your appetite. FINAFLEX.com's PX 500-XT is a superb appetite suppressant and, energy booster, an focus enhancer.
I provide a direct link, but my awesome new iPhone update prevents copying links...
Other things that help me are adding extra chicken/egg whites over whatever other meats you may prefer. Rice cakes (there are a lot of flavors out now), and vegetables.
Lol. I kinda stick to supplemental help when fighting hunger.