fenugreek adds fiber /bulk. so when the fenugreek seeds are sprouted and taken in the morning, it helps by provding bulk , clearing bowel as well as by lowering the blood sugar, and stabalizing it , making you fell less hungry . thats how it helps in over all weight reduction. only losing from belly with any method is impracticle. as body losses fat in an over all manner, rather than losing from just the belly part or the thigh part.