No
You can not legally make meth, it is an illegal substance. Answer. Or you can call your local police station and see if they have any tips for making legal meth.
Meth
not sure about any of that but vicks nasal spray is the only thing you can make meth with none of the others work
Not any more. They changed the drug in it to one you can't make meth from.
Sudafed contains pseudoephedrine, which is a very popular meth precursor. Basically, if you can't get any amphetamine to make meth from you start with pseudoephedrine.
Meth, or any of the ingredients used to make it (cold pills containing pseudoephedrine) will show up on a meth test.
any chemicals that would help with meth withdrawal
No, Zyrtec does not contain any ephedrine/psyeudoephedrine ingredients.
Meth is most typically snorted or smoked, but it's possible to inject. Obviously, injection is the most dangerous route of administration since the drug is notorious for impurities when found on the street.
Gun blue is selenium dioxide. Quite toxic and can not be used in any way to make meth. The very concept of gun blue meth is so ridiculous that if you even have to ask you shouldn't be considering it.
Yes, any method of taking Meth can cause paralysis.