This comprehensive book covers 0ver 40 of the most used supplement ingredients that create many well known diet supplements. Will Brink uses his 20+ years in the supplement industry to break through the hype and mystery surrounding the base components of all supplements - their ingredients - and explains how they work using a combination of scientific and real world data. Will puts the power of knowledge into the readers hands by teaching them the how to judge if a supplement works based on its ingredients, using an easy to understand format for the beginner, but also adds additional scientific extrapolation for the more advanced and experienced.