Dangerous analogy dhuge67... a few milligrams of neurotoxins and a great many other substances can kill within seconds (e.g. snake venoms, cyanides, as well a great number of faceless everyday chemicals); pharmaceutical agents are not nutritious. Your body has evolved over time to survive the torturous impacts nature has thrown at it: beware of screwing with the equilibrium- the axiom of "less is always more" rings true as far as drug supplementing by otherwise healthy individuals is concerned. Be careful; the scienfic community's jury is still out even on matters that appear to be concluded and safe from the available literature.