15/03/2026
Get an instant mood boost from sparkling water? Scientists might have just figured out why.
According to a new small study, carbonation could boost alertness by activating sensory nerves in the mouth, which signal the trigeminal nerve, brainstem, and prefrontal executive networks.
It’s similar to another study that found the astringent taste of cocoa polyphenols can directly activate the autonomic nervous system.
Part of the benefit is the repeated stimulation with every sip, generating small bursts of trigeminal activity. A bit like the alerting effects of cold water on the face or chewing gum.
Links:
- Drinking sparkling water helps gamers stay mentally sharp for hours: https://www.news-medical.net/news/20260304/Drinking-sparkling-water-helps-gamers-stay-mentally-sharp-for-hours.aspx
- That dry, bitter taste may be waking up your brain: https://www.sciencedaily.com/releases/2026/02/260206012224.htm
And if you’re worried about sparkling water harming your teeth, know that the amount of carbonic acid is very low. Plain sparkling water is safe for enamel (it's far less acidic than soda or juice).
