First work on your diet before looking into any supplementation.
What is your bodyfat?
How often do you workout?
Are you an active gym teacher?
How long have been a gym teacher?
When did this problem arise?
45 lbs is excessive weight loss? I don't think so. I lost 200lbs and got my stomach done, but all the other areas tightened up more than I ever expected ...over the past 12-15 years. The key is lots of water, clean eating and consistent training. You rub all the topical stuff you want on it, if...