What Is The Working Procedure Of Restozeal Capsule For Weight Reduction?

hello doctor,my mother is an obese person..{130kg , 47yrs} she is 5'3"..one doctor prescribed restozeal capsule for weight reduction..how does it work ?are there any side effects? she is also suffering from varicose veins which bleed occasionally..dopplar test has revealed that deep are normal...only peripheral veins are problamatic....please advice...