Second, don't concentrate so much on the SCALE WEIGHT but on your BODY COMPOSITION, since you want what you lose to be BODYFAT.
You do NOT need to use any supplements aside from some of the basic staples - meal replacements are not necessary either. Focus on your NUTRITION AND TRAINING - they are what are going to get you results!
I recommend that you read The 3 Keys to Fat Loss - it contains comprehensive advice and information on nutrition, supplements, and training, for effective and efficient fat loss. A few other articles re fat loss here if you want to review them.
All the Best!