Rapid Tone Diet plan The study that was mentioned in the beginning gave such great results because the source of components was effective. The same principle is used by the manufacturers of this technique and they have used fully effective components. Along with that, they have refrained from use of any fillers or any artificial coloring agents that could possibly harm the body program. In the absence of all these things, the complement is rendered safe for use. Another thing that the manufacturers have taken care of is the exposure to heat.