This Bay Area-made ‘hangover cure’ has sold 10 million bottles. But does it work?
- Posted on December 31, 2025
- By San Francisco Chronicle
- 2 Views
This Bay Area-made ‘hangover cure’ has sold 10 million bottles. But does it work?

A San Francisco startup is using genetically engineered bacteria to combat a familiar problem: “that toxic death feeling” that sometimes accompanies the morning following a night of drinking.