Actually there is that they overdone dose so much, that if you'd attempt to do it with salt, sugar or fat, you also could say that they are exceptionally harmful.

I 2grams a day of crystal meth is fucking crazy if you aren't on sedatives... I can give you whole red pill, but I don't want to write it to dead thread.

{I can talk about interactions of meth, and how you need to change nutrition, lifestyle, sleep cycles, and when it's dangerous where it's safe, what powders you should have with it, and what's dangerous like really proven dangerous, and what are safe things}

You're essentially wanting working nootropics, which is reasonable way to be better human in 20th century and beyond.