The levo enantiomer of methamphetamine is actually such a good decongestant that they put it in OVER THE COUNTER nasal sprays. The Vicks brand is particularly nice, because they throw in a pinch of menthol as well. read more
Crystal Meth, if manufactured properly, is the dextro enantiomer of methamphetamine, which is a highly neurotoxic CNS stimulant that is one of the most psycholoigcally addictive substances in existence. read more
Today, the only legal meth product is a tablet for treating obesity and attention deficit hyperactivity disorder . It's rarely used and is available only by prescription. Crystal meth is made with the ingredient pseudoephedrine, which is found in many cold medicines. read more
Methamphetamine is available with a prescription for obesity, attention deficit hyperactivity disorder, and narcolepsy, but crystal meth is a street drug, made in illegal labs by chemically altering over-the-counter drugs. read more
Making crystal meth usually involves reducing ephedrine or pseudoephedrine, found in cold and allergy medicine. In the US, a typical meth lab employs something called the 'Red, White, and Blue Process', which entails hydrogenation of the hydroxyl group on the ephedrine or pseudoephedrine molecule. read more