"What is methamphetamine?
"Methamphetamine is a powerful, highly addictive stimulant that affects the central nervous system. Crystal methamphetamine is a form of the drug that looks like glass fragments or shiny, bluish-white rocks. It is chemically similar to amphetamine, a drug used to treat attention-deficit hyperactivity disorder (ADHD) and narcolepsy, a sleep disorder.

"How do people use methamphetamine?
"People can take methamphetamine by:

"• smoking
"• swallowing (pill)
"• snorting
"• injecting the powder that has been dissolved in water/alcohol"

Source

National Institute on Drug Abuse. InfoFacts: Methamphetamine. Rockville, MD: US Department of Health and Human Services. Revised May 2019. Last accessed Nov. 2, 2021.