Usually are diet pills secure? Do they seem effective? Can they be a total waste of money?  
Diet pills are appealing, though it's crucial to reply to the above mentioned questions before you venture out, spend your hard earned money as well as consume a potentially risky product.  
Diet pills are any pill which work on some aspect of restricting nutrient intake, absorption, or metabolism. Meaning that these products either keep you from taking in the food in the very first place, stop you from absorbing once it's inside you, or enable you to burn off any absorbed calories that you have previously eaten and absorbed. Diet pills can be either prescription, over the counter, or weight loss supplements.  
They come in three main categories: appetite suppressants, metabolism accelerators, and nutrient disablers.  
Are diet pills secure?  
Most of the highly effective pills and several of the ineffective pills have unwanted side effects. The more effective pills would be the prescription pills. These certainly have side effects, that's why they are prescription products. Some of the negative effects include:  
  
  
There's only one over the ice hack diet counter diet medicine that I know about, it's a pill referred to as Alli. It's not to be confused with dieting supplements, which are not FDA approved. Alli is a milder form of a prescription pill yet still has the same side effects, however, not as extreme, oily stools, also known as steatorrhea. Supplemental weightloss pills could or might not have side effects related to them. If they don't have any unwanted side effects they're usually completely ineffective. When they do have unwanted side effects, the pills might or might not be effective. The negative effects generally linked with supplements are similar to those you get from prescription diet pills although not typically as extreme.