Crystal meth is made with the ingredient pseudoephedrine, which is found in many cold medicines. It helps ease congestion. Because it's used to make meth, the federal government closely regulates products with this ingredient.
The powerful rush people get from using meth causes many to get hooked right from the start. When it's used, a chemical called dopamine floods the parts of the brain that regulate feelings of pleasure. Users also feel confident, energetic, keeps u awake, makes u loss weight and eases depression.