Hi..... Phentamine drug this is appetite supresent. For decrease your weight you have to modify your diet first....... Diet modification is best for weight loss...... Do regular exercise and hard work out. Follow vagitarian diet. Eat fresh fruits and vegetable. Avoid fatty foods and oily foods. Avoid alcohol drinking. Drink more water atleast 10 glasses per day. Eat fruits which have low calory. Avoid banana,mango like fruits...... Take sald in diet. Drink milk in your diet. Use brown rice. Eat watermelon,berry,kiwi like fruits which have low fat. you can meet nutrietionist for proper diet. Check your thyroid level also..... Take care.Thanks......