Fat blocking agents work by binding themselves with the fat you have eaten and prevent your body from absorbing it. They do nothing for the fat that is already on you. For that you would need a fat burner. An unfortunate downside to fat blockers is they may also block vitamins A D E F and K. It would not be wise to use long term.
It is important to remember that fat blockers do not block all of the fat you eat. When taking this type of weight loss pill, it is only possible to prevent a percentage of fat from entering your system. It is still possible to gain weight if your diet is not considered.
Note: One of the most common ingredients used in fat blocker weight loss pills is Chitosan. It is the base for many diet pills.
Note: Popular brands of fat blockers include Proactol, Akavar, Xenical and Alli.
Choosing a fat blocker When choosing an appropriate fat blocker, one should check first with their doctor. As with any weight loss pill, it is possible to have a negative or adverse reaction. With that said, a good fat blocker can be purchased over the counter. For maximum results consider a fat blocker the also contains a fat burner as well as an appetite suppressant