I was watching Joe Rogan on YouTube and found this.
Smelling salts are typically a combination of diluted ammonia, water, and ethanol. They may also be a mixture of ammonium carbonate and perfume. Both solutions offer a physical stimulant.
The stimulant effect of smelling salts is due to the ammonia, which irritates a person’s nasal and lung membranes when they sniff it. The result is that the person involuntarily inhales and starts to breathe faster, which sends more oxygen to the brain.
Historically, doctors would use smelling salts to help revive people who have fainted. However, today, athletes looking to improve performance will sometimes use smelling salts for their stimulant effect.Found this online at medicalnewstoday.com
Apparently, some athletes use this stuff for a quick boost. Anyway, love Joe and thought this was some interesting info.