Another very common ab myth is that the best way to obtain them is through hundreds of crunches a day. This is incorrect because of the fact that crunches actually burn very few calories per minute. When you do them, they will work to strengthen the abdominals but they won't do a lot to help shed the layer of fat covering the abs.
It is this layer of fat that's going to be what prevents them from looking defined and what you will need to focus on removing if you are to get the aesthetic results you're looking for.
This post is an honest Kre-Alkalyn Supplement review that I found which outlines the points for and against this bodybuilding product. Whilst this is not providing is with everything we need to make a purchase decision it certainly does give us a good starting place for which we can look more into it.
You can read this 
