The legitimate use of L-pac is manufacture of ephedrine or pseudoephedrine. The illegitimate use is the "one pot" conversion to methamphetamine.

Having expertise

true

To pay for services society demands, needs or uses.

Accordant with law or with established legal forms and requirements; lawful; as, legitimate government; legitimate rights; the legitimate succession to the throne; a legitimate proceeding of an officer; a legitimate heir., Lawfully begotten; born in wedlock., Authorized; real; genuine; not false, counterfeit, or spurious; as, legitimate poems of Chaucer; legitimate inscriptions., Conforming to known principles, or accepted rules; as, legitimate reasoning; a legitimate standard, or method; a legitimate combination of colors., Following by logical sequence; reasonable; as, a legitimate result; a legitimate inference., To make legitimate, lawful, or valid; esp., to put in the position or state of a legitimate person before the law, by legal means; as, to legitimate a bastard child.