A weight loss composition including banaba leaf extract, apple fruit extract, Rhodiola root extract, zinc chelate, and magnesium chelate are described. The weight loss composition may further include gardenia fruit extract, chromium chelate, Salacia extract, berberine, inositol, or mixtures thereof. Embodiments are also directed to a bulk food product and a weight management plan, which may be used in conjunction with the weight loss composition. Embodiments are also directed to kits and methods of use for treating or preventing obesity, promoting weight loss, and improving insulin resistance.