With the fast paced society that we Americans live in its hard to get all the required meals our body needs to function properly. This is especially true for those people whom try to speed up their metabolism by eating 6-8 small meals a day. The good news is that that there are a plethera of meal replacement bars on the market today that fill your appetite while giving you the protein and vitamins you are looking for. Beware the fact that not all meal replacement bars will in fact “fill you up” and make sure not to be fooled by imitator meal replacement bars. One bar that I have used by Met-Rx called The Big 100 is stacked with 27 grams of protein and tastes nothing like your conventional protein bar! These bars are packed with flavor and do exactly what a meal replacement bar should which is fills you up! So rather than asking the question “do meal replacement bars really fill you up?’, you should ask yourself the question “Am I using the right meal replacement bar?”