There are many appetite suppressing drug available which helps in promoting weight loss.

These drugs have more of a psychological effect in mind than the actual calorie burning. These drugs makes you believe that your body is not hungry or that it is full.

They decrease appetite by increasing serotonin or catecholamine — two brain chemicals that affect mood and appetite.

Since over weight requires long term treatment to reduce weight and sustain that weight poss. There are some safe diet pills like phenocal which contains these appetite suppressing drug and helps in reducing weight.