Is there a diet pill without any side effects? I have done a lot of study and I could comfortably say yes there is a diet pill without any negative effects. In reality, you will find a few different weight loss supplements that have no adverse reactions. What you have to determine is really what type of weight loss health supplement you need or maybe you feel would be much better for you. In case you are on the lookout for a fat burner and think that is going to enable you to, you shouldn't pay money for an appetite suppressant only because it has zero adverse reactions.