Acetaminophen is the drug in the brand "Tylenol". It is often combined with Codeine as "Tylenol #3", etc. Codeine is an ineffective pain-reliever according to the latest medical literature....
No. Acetaminophen is the ingredient in Tylenol. "Speed" is a broad term used to describe "uppers", which usually consists of high doses of caffeine, ephedrine or amphetamines.